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Article(id=1241102820376629596, tenantId=1146029695717560320, journalId=1227665162245664772, issueId=1241102813938380911, articleNumber=null, orderNo=null, doi=10.20043/j.cnki.MPM.202406181, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1718208000000, receivedDateStr=2024-06-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773831570953, onlineDateStr=2026-03-18, pubDate=1724515200000, pubDateStr=2024-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773831570953, onlineIssueDateStr=2026-03-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773831570953, creator=13701087609, updateTime=1773831570953, updator=13701087609, issue=Issue{id=1241102813938380911, tenantId=1146029695717560320, journalId=1227665162245664772, year='2024', volume='51', issue='16', pageStart='2881', pageEnd='3072', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773831569418, creator=13701087609, updateTime=1773831807198, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241103811318706322, tenantId=1146029695717560320, journalId=1227665162245664772, issueId=1241102813938380911, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241103811318706323, tenantId=1146029695717560320, journalId=1227665162245664772, issueId=1241102813938380911, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=2918, endPage=2924, ext={EN=ArticleExt(id=1241102820733145464, articleId=1241102820376629596, tenantId=1146029695717560320, journalId=1227665162245664772, language=EN, title=Analysis of the quality of statistical reporting and its influencing factors in publications from Chinese general medical journals, columnId=1228016567443718970, journalTitle=Modern Preventive Medicine, columnName=Epidemiology and Statistical Methods Advances, runingTitle=null, highlight=null, articleAbstract=
Objective

To investigate the quality of statistical reporting in publications from general medical journals and analyze the influencing factors.

Methods

A random sample of 480 original research articles published in 2010 and 2020 was selected from two Medline journals and six Chinese core journals in the field of medicine and health. The quality of statistical reporting was evaluated using a self-developed checklist based on the SAMPL guidelines, ICMJE recommendations, CONSORT, STROBE, and other relevant standards, followed by an analysis of influencing factors.

Results

The overall quality score for statistical reporting in the surveyed general medical journals was 40.0±8.6. The scores for different statistical aspects were as follows: statistical design (43.2±6.8), statistical description (67.0±24.3), t-test (23.6±17.5), ANOVA (26.8±17.2), chi-square test (24.2±13.7), rank-sum test (45.5±18.4), correlation analysis (41.9±13.2), regression analysis (40.5±14.8), and survival analysis (45.6±14.9). Univariate analysis indicated that the overall quality score for statistical reporting in articles published in 2020 was higher than that in 2010 (35.8±7.4 vs. 44.3±7.5, t=-12.510, P<0.001). Multilevel modeling showed that the indexing system, research field, and publication year were the main factors influencing the overall score. Compared to Medline-indexed journals, the overall scores were lower for Chinese core journals. Articles focusing on non-human subjects had lower scores compared to those involving human subjects. Additionally, the overall scores for articles published in 2020 were higher than those in 2010.

Conclusion

The quality of statistical reporting in general medical journals in China has improved over the past decade, but there remains substantial room for further improvement. It is recommended to enhance the promotion of relevant reporting standards.

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目的

对综合类医学期刊已发表文献中常见统计学报告质量进行调查，并分析其影响因素。

方法

随机抽取综合医药卫生类2种Medline期刊和6种中文核心期刊，调查其2010年和2020年发表的所有原始研究文献共计480篇。基于SAMPL指南、ICMJE建议、 CONSORT、STROBE及相关规范，采用自制调查表对文献的统计学报告质量进行评价，并分析其影响因素。

结果

被调查的综合类医学期刊文献统计学报告质量的总分值为40.0±8.6，统计设计分值为43.2±6.8，统计描述分值为67.0±24.3，t检验分值为23.6±17.5，方差分析分值为26.8±17.2，χ2检验分值为24.2±13.7，秩和检验分值为45.5±18.4，相关分析分值为41.9±13.2，回归分析分值为40.5±14.8，生存分析分值为45.6±14.9。单因素分析显示，2020年发表的文献统计学报告质量总分值高于2010年（35.8±7.4 vs 44.3±7.5, t=-12.510，P<0.001）；多水平模型结果显示，期刊收录体系、研究领域和出版年份是影响总分的主要因素，与Medline收录期刊相比，中文核心期刊总分值较低。与人为研究对象的文献相比，以其他为研究对象的总分值较低。与2010年文献相比，2020年文献的总分值较高。

结论

国内综合类医学期刊文献常见统计学方法报告质量在近十年有一定提高，但仍然有较大改进空间，建议加强相关报告规范推广力度。

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姜恬，E-mail：
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朱珈仪（1988—），女，硕士研究生，研究方向：流行病与卫生统计学

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朱珈仪（1988—），女，硕士研究生，研究方向：流行病与卫生统计学

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Diagnostic and Interventional Radiology, 2019, 25(2): 102-108., articleTitle=Statistical errors in articles published in radiology journals, refAbstract=null), Reference(id=1241102829088199491, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, doi=null, pmid=null, pmcid=null, year=2015, volume=73, issue=1, pageStart=76, pageEnd=80, url=null, language=null, rfNumber=[14], rfOrder=13, authorNames=Vähänikkilä H, Tjäderhane L, Nieminen P, journalName=Acta Odontologica Scandinavica, refType=null, unstructuredReference=Vähänikkilä H, Tjäderhane L, Nieminen P. The statistical reporting quality of articles published in 2010 in five dental journals[J]. Acta Odontologica Scandinavica, 2015, 73(1): 76-80., articleTitle=The statistical reporting quality of articles published in 2010 in five dental journals, refAbstract=null), Reference(id=1241102829197251404, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, doi=null, pmid=null, pmcid=null, year=2013, volume=41, issue=5, pageStart=385, pageEnd=392, url=null, language=null, rfNumber=[15], rfOrder=14, authorNames=Hannigan A, Lynch CD, journalName=Journal of Dentistry, refType=null, unstructuredReference=Hannigan A, Lynch CD. Statistical methodology in oral and dental research: pitfalls and recommendations[J]. Journal of Dentistry, 2013, 41(5): 385-392., articleTitle=Statistical methodology in oral and dental research: pitfalls and recommendations, refAbstract=null), Reference(id=1241102829310497624, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, doi=null, pmid=null, pmcid=null, year=2015, volume=63, issue=3, pageStart=394, pageEnd=401, url=null, language=null, rfNumber=[16], rfOrder=15, authorNames=Daniel-Corneliu L, Drugan T, Farcaş A, journalName=Farmacia, refType=null, unstructuredReference=Daniel-Corneliu L, Drugan T, Farcaş A, et al. Statistical reporting in pharmaceutical papers from Romanian journals[J]. Farmacia, 2015, 63(3): 394-401., articleTitle=Statistical reporting in pharmaceutical papers from Romanian journals, refAbstract=null), Reference(id=1241102829436326754, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[17], rfOrder=16, authorNames=Enhancing the QUAlity and Transparency Of health Research Network, journalName=null, refType=null, unstructuredReference=Enhancing the QUAlity and Transparency Of health Research Network. EQUATOR Network: Reporting guidelines[EB/OL]. [2024-08-01]. https://www.equator-network.org/reporting-guidelines/., articleTitle=EQUATOR Network: Reporting guidelines, refAbstract=null), Reference(id=1241102829566350190, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[18], rfOrder=17, authorNames=International Committee of Medical Journal Editors, journalName=null, refType=null, unstructuredReference=International Committee of Medical Journal Editors. Recommendations for the conduct, reporting, editing, and publication of scholarly work in medical journals[EB/OL]. [2024-07-31]. http://www.icmje.org/icmje-recommendations.pdf., articleTitle=Recommendations for the conduct, reporting, editing, and publication of scholarly work in medical journals, refAbstract=null), Reference(id=1241102829667013499, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, doi=null, pmid=null, pmcid=null, year=1988, volume=108, issue=2, pageStart=266, pageEnd=273, url=null, language=null, rfNumber=[19], rfOrder=18, authorNames=Bailar JC3, Mosteller F, journalName=Annals of Internal Medicine, refType=null, unstructuredReference=Bailar JC3, Mosteller F. Guidelines for statistical reporting in articles for medical journals. Amplifications and explanations[J]. Annals of Internal Medicine, 1988, 108(2): 266-273., articleTitle=Guidelines for statistical reporting in articles for medical journals. Amplifications and explanations, refAbstract=null), Reference(id=1241102829767676804, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, doi=null, pmid=null, pmcid=null, year=2001, volume=134, issue=8, pageStart=657, pageEnd=662, url=null, language=null, rfNumber=[20], rfOrder=19, authorNames=Moher D, Schulz KF, Altman D, journalName=Annals of Internal Medicine, refType=null, unstructuredReference=Moher D, Schulz KF, Altman D. The CONSORT statement:revised recommendations for improving the quality of reports of parallel-group randomized trials[J]. Annals of Internal Medicine, 2001, 134(8): 657-662., articleTitle=The CONSORT statement:revised recommendations for improving the quality of reports of parallel-group randomized trials, refAbstract=null), Reference(id=1241102829885117328, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, doi=null, pmid=null, pmcid=null, year=2007, volume=147, issue=8, pageStart=573, pageEnd=577, url=null, language=null, rfNumber=[21], rfOrder=20, authorNames=Von elm E, Altman DG, Egger M, journalName=Annals of Internal Medicine, refType=null, unstructuredReference=Von elm E, Altman DG, Egger M, et al. The strengthening the reporting of observational studies in epidemiology (STROBE) statement: guidelines for reporting observational studies[J]. Annals of Internal Medicine, 2007, 147(8): 573-577., articleTitle=The strengthening the reporting of observational studies in epidemiology (STROBE) statement: guidelines for reporting observational studies, refAbstract=null), Reference(id=1241102829989974938, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, doi=null, pmid=null, pmcid=null, year=2015, volume=351, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[22], rfOrder=21, authorNames=Bossuyt PM, Reitsma JB, Bruns DE, journalName=BMJ, refType=null, unstructuredReference=Bossuyt PM, Reitsma JB, Bruns DE, et al. STARD 2015: an updated list of essential items for reporting diagnostic accuracy studies[J]. BMJ, 2015, 351: h5527., articleTitle=STARD 2015: an updated list of essential items for reporting diagnostic accuracy studies, refAbstract=null), Reference(id=1241102830161941410, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, doi=null, pmid=null, pmcid=null, year=2010, volume=8, issue=6, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[23], rfOrder=22, authorNames=Kilkenny C, Browne WJ, Cuthill IC, journalName=PLoS Biology, refType=null, unstructuredReference=Kilkenny C, Browne WJ, Cuthill IC, et al. Improving bioscience research reporting: the ARRIVE guidelines for reporting animal research[J]. PLoS Biology, 2010, 8(6): e1000412., articleTitle=Improving bioscience research reporting: the ARRIVE guidelines for reporting animal research, refAbstract=null), Reference(id=1241102830304547755, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, doi=null, pmid=null, pmcid=null, year=2015, volume=52, issue=1, pageStart=5, pageEnd=9, url=null, language=null, rfNumber=[24], rfOrder=23, authorNames=Lang TA, Altman DG, journalName=International Journal of Nursing Studies, refType=null, unstructuredReference=Lang TA, Altman DG. Basic statistical reporting for articles published in biomedical journals: the "Statistical Analyses and Methods in the Published Literature" or the SAMPL Guidelines[J]. International Journal of Nursing Studies, 2015, 52(1): 5-9., articleTitle=Basic statistical reporting for articles published in biomedical journals: the "Statistical Analyses and Methods in the Published Literature" or the SAMPL Guidelines, refAbstract=null), Reference(id=1241102830409405365, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, doi=null, pmid=null, pmcid=null, year=2008, volume=180, issue=4, pageStart=1463, pageEnd=1467, url=null, language=null, rfNumber=[25], rfOrder=24, authorNames=Scales CDJ, Norris RD, Preminger GM, journalName=The Journal of Urology, refType=null, unstructuredReference=Scales CDJ,Norris RD, Preminger GM, et al. Evaluating the evidence: statistical methods in randomized controlled trials in the urological literature[J]. The Journal of Urology, 2008, 180(4): 1463-1467., articleTitle=Evaluating the evidence: statistical methods in randomized controlled trials in the urological literature, refAbstract=null), Reference(id=1241102831969686460, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, doi=null, pmid=null, pmcid=null, year=2020, volume=56, issue=6, pageStart=790, pageEnd=798, url=null, language=null, rfNumber=[26], rfOrder=25, authorNames=Amiri M, Kumbhare D, journalName=European Journal of Physical and Rehabilitation Medicine, refType=null, unstructuredReference=Amiri M, Kumbhare D. Randomized controlled trials in non-pharmacological rehabilitation research: a scoping review of the reporting of sample size calculation, randomization procedure, and statistical analyses[J]. European Journal of Physical and Rehabilitation Medicine, 2020, 56(6): 790-798., articleTitle=Randomized controlled trials in non-pharmacological rehabilitation research: a scoping review of the reporting of sample size calculation, randomization procedure, and statistical analyses, refAbstract=null)], funds=[Fund(id=1241102827523723985, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, awardId=CUJS-YX-2021-2-6, language=CN, fundingSource=中国高校科技期刊研究会2021年医学期刊专项基金(CUJS-YX-2021-2-6), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1241102823237145065, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, xref=1., ext=[AuthorCompanyExt(id=1241102823249727978, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, companyId=1241102823237145065, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Editorial Department,Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, China), AuthorCompanyExt(id=1241102823258116588, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, companyId=1241102823237145065, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.四川大学华西第二医院编辑部、出生缺陷与相关妇儿疾病教育部重点实验室，四川 成都 610041)]), AuthorCompany(id=1241102823379751418, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, xref=2., ext=[AuthorCompanyExt(id=1241102823396528637, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, companyId=1241102823379751418, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.四川大学华西公共卫生学院/四川大学华西第四医院流行病与卫生统计学系)]), AuthorCompany(id=1241102823484609029, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, xref=3., ext=[AuthorCompanyExt(id=1241102823492997639, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, companyId=1241102823484609029, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=3.四川大学期刊社)]), AuthorCompany(id=1241102823614632462, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, xref=4., ext=[AuthorCompanyExt(id=1241102823623021069, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, companyId=1241102823614632462, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=4.四川大学学报（医学版）编辑部)])], figs=[ArticleFig(id=1241102825497875102, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, language=EN, label=Table 1, caption=

Basic information of Chinese general medical journals included in this study (n=480)

, figureFileSmall=null, figureFileBig=null, tableContent=
项目n(%)项目n(%)
研究领域研究对象类型
基础医学206(42.9)人249(51.9)
临床医学233(48.6)实验动物125(26.0)
口腔医学3(0.6)细胞/病毒/菌株68(14.2)
公共卫生9(1.9)其他38(7.9)
药学2(0.4)第一作者单位类型
医学技术27(5.6)高校98(20.4)
研究类型研究所19(4.0)
观察性研究234(48.8)医院361(75.2)
实验研究246(51.2)其他2(0.4)
发表年份第一作者单位地域
2010240(50.0)东部295(61.5)
2020240(50.0)中部120(25.0)
主要研究结果西部65(13.5)
阴性7(1.5)第一作者单位城市
阳性473(98.5)一线145(30.2)
基金项目级别二线223(46.5)
无146(30.4)三线及以下112(23.3)
校级11(2.3)通信作者单位类型
市级18(3.7)高校90(18.7)
省部级162(33.8)研究所20(4.2)
国家级140(29.2)医院368(76.7)
其他3(0.6)其他2(0.4)
是否多单位合作通信作者单位地域
否278(57.9)东部298(62.1)
是202(42.1)中部122(25.4)
报告利益冲突西部60(12.5)
否450(94.0)通信作者单位城市
是30(6.0)一线150(31.2)
医药企业参与二线225(46.9)
否477(99.4)三线及以下105(21.9)
是3(0.6)
), ArticleFig(id=1241102825627898534, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, language=CN, label=表1, caption=

本研究纳入的中文综合类医学期刊文献的基本情况（n =480）

, figureFileSmall=null, figureFileBig=null, tableContent=
项目n(%)项目n(%)
研究领域研究对象类型
基础医学206(42.9)人249(51.9)
临床医学233(48.6)实验动物125(26.0)
口腔医学3(0.6)细胞/病毒/菌株68(14.2)
公共卫生9(1.9)其他38(7.9)
药学2(0.4)第一作者单位类型
医学技术27(5.6)高校98(20.4)
研究类型研究所19(4.0)
观察性研究234(48.8)医院361(75.2)
实验研究246(51.2)其他2(0.4)
发表年份第一作者单位地域
2010240(50.0)东部295(61.5)
2020240(50.0)中部120(25.0)
主要研究结果西部65(13.5)
阴性7(1.5)第一作者单位城市
阳性473(98.5)一线145(30.2)
基金项目级别二线223(46.5)
无146(30.4)三线及以下112(23.3)
校级11(2.3)通信作者单位类型
市级18(3.7)高校90(18.7)
省部级162(33.8)研究所20(4.2)
国家级140(29.2)医院368(76.7)
其他3(0.6)其他2(0.4)
是否多单位合作通信作者单位地域
否278(57.9)东部298(62.1)
是202(42.1)中部122(25.4)
报告利益冲突西部60(12.5)
否450(94.0)通信作者单位城市
是30(6.0)一线150(31.2)
医药企业参与二线225(46.9)
否477(99.4)三线及以下105(21.9)
是3(0.6)
), ArticleFig(id=1241102825703396014, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, language=EN, label=Table 2, caption=

Univariate analysis results of statistical reporting quality in publications from general medical journals (n=480)

, figureFileSmall=null, figureFileBig=null, tableContent=
相关因素n总分(分,)t/FP
期刊收录体系5.222<0.001
Medline12043.5±9.0
中文核心36038.9±8.1
出版周期6.979<0.001
双月刊12041.8±8.9
月刊18038.1±8.1
半月刊12039.9±8.1
周刊6042.7±9.0
主办单位类型3.9230.004
高校18041.6±8.8
医院6040.0±5.8
研究所6039.2±7.8
学会12037.8±9.5
高校联合医院6040.6±8.5
审稿费-4.374<0.001
无12037.1±8.9
有36041.0±8.3
版面费1.2480.213
无6041.3±8.5
有42039.8±8.6
研究类型7.398<0.001
观察性研究23442.9±8.4
实验研究24637.3±7.9
研究领域20.308<0.001
基础医学20636.0±7.2
临床医学23342.9±8.3
口腔医学335.2±8.9
公共卫生946.6±6.3
药学236.3±5.8
医学技术2744.3±9.0
研究对象类型32.412<0.001
人24943.4±8.3
实验动物12536.0±7.4
细胞/病毒/菌株6836.2±6.9
其他3838.1±7.9
伦理审批a-4.999<0.001
无18540.9±8.1
有10245.9±8.2
知情同意b-3.997<0.001
无18241.2±8.5
有10545.2±7.8
动物伦理要求c-2.9590.004
无10034.9±7.0
有4338.7±7.3
主要研究结果-1.6060.109
阴性740.0±8.6
阳性47345.2±5.7
发表年份-12.510<0.001
201024035.8±7.4
202024044.3±7.5
第一作者单位类型11.849<0.001
高校9837.7±8.5
研究所1931.4±8.3
医院36141.1±8.3
其他233.8±13.3
第一作者单位地域1.3720.255
东部29540.4±9.0
中部12038.9±7.7
西部6540.5±8.3
第一作者单位城市6.4490.002
一线14541.5±8.8
二线22338.5±7.8
三线及以下11241.1±9.4
通信作者单位类型13.092<0.001
高校9038.2±8.7
研究所2030.8±6.6
医院36841.1±8.3
其他227.7±4.6
通信作者单位地域1.6620.191
东部29840.4±9.1
中部12238.8±7.6
西部6040.6±8.1
通信作者单位城市4.6100.010
一线15041.3±9.0
二线22538.8±7.7
三线及以下10541.0±9.5
是否多单位合作0.0770.939
否27840.1±8.5
是20240.0±8.8
基金项目级别1.2840.269
无14639.2±8.6
校级1144.8±9.0
市级1841.3±7.6
省部级16240.7±8.5
国家级14039.6±8.7
其他339.0±5.2
报告利益冲突-4.016<0.001
否45039.6±8.5
是3046.0±8.1
医药企业参与-1.2820.201
否47740.0±8.6
是346.4±12.8
), ArticleFig(id=1241102825787282103, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, language=CN, label=表2, caption=

综合类医学期刊文献统计学报告质量单因素分析结果（n =480）

, figureFileSmall=null, figureFileBig=null, tableContent=
相关因素n总分(分,)t/FP
期刊收录体系5.222<0.001
Medline12043.5±9.0
中文核心36038.9±8.1
出版周期6.979<0.001
双月刊12041.8±8.9
月刊18038.1±8.1
半月刊12039.9±8.1
周刊6042.7±9.0
主办单位类型3.9230.004
高校18041.6±8.8
医院6040.0±5.8
研究所6039.2±7.8
学会12037.8±9.5
高校联合医院6040.6±8.5
审稿费-4.374<0.001
无12037.1±8.9
有36041.0±8.3
版面费1.2480.213
无6041.3±8.5
有42039.8±8.6
研究类型7.398<0.001
观察性研究23442.9±8.4
实验研究24637.3±7.9
研究领域20.308<0.001
基础医学20636.0±7.2
临床医学23342.9±8.3
口腔医学335.2±8.9
公共卫生946.6±6.3
药学236.3±5.8
医学技术2744.3±9.0
研究对象类型32.412<0.001
人24943.4±8.3
实验动物12536.0±7.4
细胞/病毒/菌株6836.2±6.9
其他3838.1±7.9
伦理审批a-4.999<0.001
无18540.9±8.1
有10245.9±8.2
知情同意b-3.997<0.001
无18241.2±8.5
有10545.2±7.8
动物伦理要求c-2.9590.004
无10034.9±7.0
有4338.7±7.3
主要研究结果-1.6060.109
阴性740.0±8.6
阳性47345.2±5.7
发表年份-12.510<0.001
201024035.8±7.4
202024044.3±7.5
第一作者单位类型11.849<0.001
高校9837.7±8.5
研究所1931.4±8.3
医院36141.1±8.3
其他233.8±13.3
第一作者单位地域1.3720.255
东部29540.4±9.0
中部12038.9±7.7
西部6540.5±8.3
第一作者单位城市6.4490.002
一线14541.5±8.8
二线22338.5±7.8
三线及以下11241.1±9.4
通信作者单位类型13.092<0.001
高校9038.2±8.7
研究所2030.8±6.6
医院36841.1±8.3
其他227.7±4.6
通信作者单位地域1.6620.191
东部29840.4±9.1
中部12238.8±7.6
西部6040.6±8.1
通信作者单位城市4.6100.010
一线15041.3±9.0
二线22538.8±7.7
三线及以下10541.0±9.5
是否多单位合作0.0770.939
否27840.1±8.5
是20240.0±8.8
基金项目级别1.2840.269
无14639.2±8.6
校级1144.8±9.0
市级1841.3±7.6
省部级16240.7±8.5
国家级14039.6±8.7
其他339.0±5.2
报告利益冲突-4.016<0.001
否45039.6±8.5
是3046.0±8.1
医药企业参与-1.2820.201
否47740.0±8.6
是346.4±12.8
), ArticleFig(id=1241102825883751102, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, language=EN, label=Table 3, caption=

Influencing factors analysis result of statistical quality score in general medical journals using multilevel model (n=480)

, figureFileSmall=null, figureFileBig=null, tableContent=
变量估计值(95%CI)tP
期刊收录体系
Medline
中文核心-0.040 (-0.069~0.011)-2.2840.022
影响因子-0.016 (-0.073~0.041)-0.4490.653
研究领域
基础医学
临床医学0.019 (-0.017~0.056)0.9710.332
口腔医学0.015 (-0.066~0.097)0.3470.728
公共卫生0.053 (-0.003~0.111)1.7700.077
药学0.002 (-0.088~0.094)0.0390.969
医学技术0.019 (-0.022~0.063)0.8420.400
研究类型
观察性研究
实验研究0.001 (-0.018~0.021)0.1430.886
研究对象类型
人
实验动物-0.028 (-0.070~0.010)-1.3430.179
细胞/病毒/菌株-0.039 (-0.080~0.004)-1.7570.079
其他-0.034 (-0.063~-0.003)-2.1660.030
主要研究结果
阴性
阳性0.039 (-0.012~0.090)1.4720.141
发表年份
2010
20200.079 (0.066~0.092)11.504<0.001
第一作者单位类型
高校
研究所-0.031 (-0.072~0.000)-1.7210.085
医院0.002 (-0.014~0.018)0.2140.831
其他-0.003 (-0.100~0.084)-0.0600.952
第一作者单位地域
东部
中部-0.007 (-0.024~0.010)-0.8230.411
西部-0.003 (-0.023~0.016)-0.2590.796
第一作者单位城市
一线
二线-0.005 (-0.024~0.013)-0.5240.600
三线及以下0.002 (-0.018~0.021)0.2270.820
是否多单位合作
否
是-0.003 (-0.016~0.009)-0.5310.595
基金项目级别
无
校级0.013 (-0.027~0.055)0.5850.559
市级0.011 (-0.022~0.043)0.6390.523
省部级0.011 (-0.004~0.028)1.3230.186
国家级0.000 (-0.015~0.018)0.0390.969
其他-0.044 (-0.121~0.031)-1.1090.267
报告利益冲突
否
是-0.018 (-0.052~0.013)-1.0500.294
医药企业参与
否
是0.023 (-0.052~0.099)0.5930.553
), ArticleFig(id=1241102827360146119, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241102820376629596, language=CN, label=表3, caption=

综合类医学期刊文献统计学质量总分影响因素分析的多水平模型结果（n =480）

, figureFileSmall=null, figureFileBig=null, tableContent=
变量估计值(95%CI)tP
期刊收录体系
Medline
中文核心-0.040 (-0.069~0.011)-2.2840.022
影响因子-0.016 (-0.073~0.041)-0.4490.653
研究领域
基础医学
临床医学0.019 (-0.017~0.056)0.9710.332
口腔医学0.015 (-0.066~0.097)0.3470.728
公共卫生0.053 (-0.003~0.111)1.7700.077
药学0.002 (-0.088~0.094)0.0390.969
医学技术0.019 (-0.022~0.063)0.8420.400
研究类型
观察性研究
实验研究0.001 (-0.018~0.021)0.1430.886
研究对象类型
人
实验动物-0.028 (-0.070~0.010)-1.3430.179
细胞/病毒/菌株-0.039 (-0.080~0.004)-1.7570.079
其他-0.034 (-0.063~-0.003)-2.1660.030
主要研究结果
阴性
阳性0.039 (-0.012~0.090)1.4720.141
发表年份
2010
20200.079 (0.066~0.092)11.504<0.001
第一作者单位类型
高校
研究所-0.031 (-0.072~0.000)-1.7210.085
医院0.002 (-0.014~0.018)0.2140.831
其他-0.003 (-0.100~0.084)-0.0600.952
第一作者单位地域
东部
中部-0.007 (-0.024~0.010)-0.8230.411
西部-0.003 (-0.023~0.016)-0.2590.796
第一作者单位城市
一线
二线-0.005 (-0.024~0.013)-0.5240.600
三线及以下0.002 (-0.018~0.021)0.2270.820
是否多单位合作
否
是-0.003 (-0.016~0.009)-0.5310.595
基金项目级别
无
校级0.013 (-0.027~0.055)0.5850.559
市级0.011 (-0.022~0.043)0.6390.523
省部级0.011 (-0.004~0.028)1.3230.186
国家级0.000 (-0.015~0.018)0.0390.969
其他-0.044 (-0.121~0.031)-1.1090.267
报告利益冲突
否
是-0.018 (-0.052~0.013)-1.0500.294
医药企业参与
否
是0.023 (-0.052~0.099)0.5930.553
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综合类医学期刊已发表文献统计学报告质量及其影响因素分析
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朱珈仪 1 , 刘元元 2 , 姜恬 3, 4
现代预防医学 | 流行病与统计方法 2024,51(16): 2918-2924
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现代预防医学 | 流行病与统计方法 2024, 51(16): 2918-2924
综合类医学期刊已发表文献统计学报告质量及其影响因素分析
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朱珈仪1, 刘元元2, 姜恬3, 4
作者信息
  • 1.四川大学华西第二医院编辑部、出生缺陷与相关妇儿疾病教育部重点实验室，四川 成都 610041
  • 2.四川大学华西公共卫生学院/四川大学华西第四医院流行病与卫生统计学系
  • 3.四川大学期刊社
  • 4.四川大学学报（医学版）编辑部

    • 朱珈仪（1988—），女，硕士研究生，研究方向：流行病与卫生统计学

通讯作者:

姜恬，E-mail：
Analysis of the quality of statistical reporting and its influencing factors in publications from Chinese general medical journals
Jia-yi ZHU1, Yuan-yuan LIU2, Tian JIANG3, 4
Affiliations
  • Editorial Department,Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, China
出版时间: 2024-08-25 doi: 10.20043/j.cnki.MPM.202406181
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摘要
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目的

对综合类医学期刊已发表文献中常见统计学报告质量进行调查，并分析其影响因素。

方法

随机抽取综合医药卫生类2种Medline期刊和6种中文核心期刊，调查其2010年和2020年发表的所有原始研究文献共计480篇。基于SAMPL指南、ICMJE建议、 CONSORT、STROBE及相关规范，采用自制调查表对文献的统计学报告质量进行评价，并分析其影响因素。

结果

被调查的综合类医学期刊文献统计学报告质量的总分值为40.0±8.6，统计设计分值为43.2±6.8，统计描述分值为67.0±24.3，t检验分值为23.6±17.5，方差分析分值为26.8±17.2，χ2检验分值为24.2±13.7，秩和检验分值为45.5±18.4，相关分析分值为41.9±13.2，回归分析分值为40.5±14.8，生存分析分值为45.6±14.9。单因素分析显示，2020年发表的文献统计学报告质量总分值高于2010年（35.8±7.4 vs 44.3±7.5, t=-12.510，P<0.001）；多水平模型结果显示，期刊收录体系、研究领域和出版年份是影响总分的主要因素，与Medline收录期刊相比，中文核心期刊总分值较低。与人为研究对象的文献相比，以其他为研究对象的总分值较低。与2010年文献相比，2020年文献的总分值较高。

结论

国内综合类医学期刊文献常见统计学方法报告质量在近十年有一定提高，但仍然有较大改进空间，建议加强相关报告规范推广力度。

统计报告  /  中文医学文献  /  SAMPL指南
Objective

To investigate the quality of statistical reporting in publications from general medical journals and analyze the influencing factors.

Methods

A random sample of 480 original research articles published in 2010 and 2020 was selected from two Medline journals and six Chinese core journals in the field of medicine and health. The quality of statistical reporting was evaluated using a self-developed checklist based on the SAMPL guidelines, ICMJE recommendations, CONSORT, STROBE, and other relevant standards, followed by an analysis of influencing factors.

Results

The overall quality score for statistical reporting in the surveyed general medical journals was 40.0±8.6. The scores for different statistical aspects were as follows: statistical design (43.2±6.8), statistical description (67.0±24.3), t-test (23.6±17.5), ANOVA (26.8±17.2), chi-square test (24.2±13.7), rank-sum test (45.5±18.4), correlation analysis (41.9±13.2), regression analysis (40.5±14.8), and survival analysis (45.6±14.9). Univariate analysis indicated that the overall quality score for statistical reporting in articles published in 2020 was higher than that in 2010 (35.8±7.4 vs. 44.3±7.5, t=-12.510, P<0.001). Multilevel modeling showed that the indexing system, research field, and publication year were the main factors influencing the overall score. Compared to Medline-indexed journals, the overall scores were lower for Chinese core journals. Articles focusing on non-human subjects had lower scores compared to those involving human subjects. Additionally, the overall scores for articles published in 2020 were higher than those in 2010.

Conclusion

The quality of statistical reporting in general medical journals in China has improved over the past decade, but there remains substantial room for further improvement. It is recommended to enhance the promotion of relevant reporting standards.

Statistical reporting  /  Chinese Medical literature  /  SAMPL guideline
朱珈仪, 刘元元, 姜恬. 综合类医学期刊已发表文献统计学报告质量及其影响因素分析. 现代预防医学, 2024 , 51 (16) : 2918 -2924 . DOI: 10.20043/j.cnki.MPM.202406181
Jia-yi ZHU, Yuan-yuan LIU, Tian JIANG. Analysis of the quality of statistical reporting and its influencing factors in publications from Chinese general medical journals[J]. Modern Preventive Medicine, 2024 , 51 (16) : 2918 -2924 . DOI: 10.20043/j.cnki.MPM.202406181
正文
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统计学贯穿从研究设计到结果呈现的整个科学研究过程，统计学在科学数据的产生、分析及推断方面发挥关键作用，是获得客观结论的基础之一。统计学对于医学研究至关重要，恰当、准确地统计设计、分析和报告是保证医学研究质量，特别是研究结果重现性和可重复性的关键前提之一[1-3]。在中国[4-6]、印度[7-8]、韩国[9]等多个国家，包括基础医学[10]、临床医学[11-13]、口腔医学[14-15]、药学[16]等的医学多专业领域中，统计学设计、分析及报告不恰当的现象仍较为普遍，大部分研究并未严格遵守既有医学研究相关报告规范。这导致研究结果无法重复，甚至可能得出误导性结论，严重影响研究的可信度。
为了规范医学研究报告，提升不同类型研究报告的透明度、准确性和完整性，保证研究的可靠性，一系列医学研究报告指南被提出[17]。1979年发布的国际医学期刊编辑委员会(International Committee of Medical Journal Editors, ICMJE)医学期刊学术著作实施、报告、编辑和发表建议对医学研究的实施与报告进行了规范，其中包括较为精简的统计内容相关要求[18]。1988年，医学期刊论文的统计报告指南之详述与解读进一步提出15项统计要点[19]。自1996年以来，EQUATOR (Enhancing the Quality and Transparency Of health Research) network (www.equator-network.org)[17]发布了一系列报告指南，包括临床试验报告统一标准(Consolidated Standards of Reporting Trials, 简称CONSORT)[20]、增强流行病学中观察性研究的报告规范(Strengthening the Reporting of Observational Studies in Epidemiology, 简称STROBE)[21]、诊断准确性研究报告规范(Standards for Reporting Diagnostic Accuracy Studies，简称STARD)[22]、动物研究之体内实验报告(Animal Research: Reporting in vivo Experiments, 简称ARRIVE)[23]，扩充了对不同类型研究的报告规范。随后，文献统计分析和方法学指南(Statistical Analyses and Methods in the Published Literature, 简称SAMPL)进一步强调了如何更详细地报告基本统计方法和结果[24]。
在过去几十年里，中文医学研究数量大幅增加，但已发表文献的统计学报告质量尚未见报道。因此，本研究参考SAMPL和ICMJE建议、CONSORT、STROBE等报告指南，采用自行设计的评分表和调查问卷，对2010年和2020年中国综合类医学期刊统计学报告质量及其影响因素进行了调查与分析，为探索提高医学研究质量和透明度的可行途径提供实证参考。
1　资料与方法
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1.1　资料来源
为了对中文医学期刊的统计报告质量进行全面分析，本研究纳入了综合医学与卫生领域的期刊。根据期刊索引、主办单位和文献作者地理分布，采用分层整群随机抽样的方法，从中文综合医学与卫生学科8种Medline期刊和29种核心期刊中抽取出2种Medline期刊和6种核心期刊，纳入这8种期刊在2010年和2020年每期发表的原创研究。本研究样本量计算公式：
其中，n为样本量，Zα/2为标准正态分布α下双尾Z值，δ为允许误差，π为论文的统计学错误率。既往文献报道，医学论文中统计学相关错误率为30%~50%[15,25]。取论文的统计学错误率π为40%，α=0.05，δ=5%，带入公式得：n=369。同时考虑可能出现的信息损失情况，拟调查不少于480篇文献。下载获取纳入本研究的全部文献全文。检索所得文献通过阅读题目、摘要，及浏览全文，按照纳入、排除标准进行筛选，筛选所得文献按照发表日期及页码排序，按照不同期刊进行编号。
1.2　调查指标
整合统计学报告相关规范，包括SAMPL，ICMJE医学期刊学术著作实施、报告、编辑和发表建议，医学期刊论文的统计报告指南：详述与解读，CONSORT，STROBE，NIHPG及CHAMP等规范中有关统计学方法报告推荐条目作为调查内容，形成“医学研究常见统计学方法报告调查表”（简称“调查表”）。调查表包括统计设计、设计描述、t检验、方差分析、χ2检验、秩和检验、相关分析、回归分析、生存分析、其他共计10个部分。每题根据文献报告质量赋0~2分。对调查表总体，统计设计、统计描述、t检验、χ2检验、方差分析、秩和检验、相关分析、回归分析、生存分析各部分分别进行计分，最后均标化加权为百分制得分，即分值范围为0~100分。
同时，收集文献基本信息。通过相关文献回顾和专家咨询，本研究纳入的可能影响文献统计学质量的指标包括：(1)研究领域，(2)发表年份，(3)期刊影响因子，(4)期刊收录体系，(5)期刊出版周期，(6)期刊主办单位，(7)期刊创刊年份，(8)有无审稿费，(9)有无版面费，(10)研究类型，(11)研究对象类型，(12)主要研究结果为阳性，(13)第一作者单位类型、城市规模及地域，(14)通信作者单位类型、城市规模及地域，(15)是否为多单位合作，(16)是否有基金项目支持及级别，(17)是否报告利益冲突，(18)是否有医药类企业参与。
1.3　质量控制
对于医学文献统计学质量的调查，纳入的每篇文献按照调查表进行仔细审查。所有文献均由两位调查员分别独立审阅，以评估其统计学方法报告的情况。进行两轮审阅，每一轮由两位不同的调查员独立录入。如果有意见不一致的情况，采用讨论及第三方裁定的方式解决。采用Epidata 3.1进行双重数据录入和管理。
1.4　统计分析
本研究定量资料服从正态分布，故采用均数、标准差进行统计描述；对定性资料采用频数和率、构成比进行统计描述。文献统计学质量的单因素分析采用成组t检验或单因素方差分析。本研究调查了8种期刊的480篇文献，数据具有层次结构，表现在每种期刊的论文报告内容、格式存在一定程度的相似性，其统计学分析报告的状况也存在一定程度的相似性，即因变量调查表总分及各部分得分不独立，因此考虑采用多水平统计模型进行分析。水平1为文献，水平2为期刊。利用-2倍对数似然值(-2 log likelihood，-2LL)、赤池信息准则(Akaike information criterion, AIC)和贝叶斯信息准则(Bayesian information criterion, BIC)来判断模型拟合优劣。
本研究使用R软件(version4.0.3)及程序包“MBESS” “corrplot” “dplyr” “car” “lme4” “Matrix” “MASS” “scatterPlotMatrix”对数据进行分析。所有检验采用双侧检验，检验水准α=0.05。
2　结果
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2.1　纳入文献基本情况
所纳入杂志的主办单位分别为医院、学会、研究所、高校、高校和医院联合。2本期刊不收取审稿费，6本收取。不同专业(基础医学、临床医学、其他)的文献比例为42.9%(206/480)、48.6%(233/480)、8.5%(41/480)。观察性研究比例为48.8%(234/480)，其中同一篇文献既包括观察性研究又包括实验研究的文献比较为1.3%(6/480)，试验性研究为51.3%(246/480)。
51.9%(249/480)文献以人为研究对象，26.0%(125/480)为实验动物，14.2%(68/480)为细胞株、菌株及病毒株，7.9%(38/480)为其他，具体包括医用材料、药品、病理组织、器官、基因。在以人及人体组织、器官、细胞为研究对象的文献中，35.5%(102/287)的研究报告了通过伦理学委员会审批，36.6%(105/287)的研究报告了获得患者知情同意。在使用了实验动物的文献中，30.1%(43/143)文献提及对于试验动物的处置符合动物伦理学或动物福利要求。1.5%(7/480)文献结果为阴性，其余文献结果为阳性。42.1%(202/480)文献为多单位合作。69.6%(334/480)有基金项目支持。仅6.0%(30/480)文献报告了利益冲突。本研究纳入的文献基本情况见表1。
2.2　综合类医学期刊文献统计学报告质量
全部480篇文献的总分值为40.0±8.6。统计设计部分分值为43.2±6.8，统计描述部分分值为67.0±24.3，t检验部分分值为23.6±17.5，方差分析部分分值为26.8±17.2，χ2检验部分分值为24.2±13.7，秩和检验部分分值为45.5±18.4，相关分析部分分值为41.9±13.2，回归分析部分分值为40.5±14.8，生存分析部分分值为45.6±14.9。
2.3　综合类医学期刊文献统计学报告质量影响因素
2.3.1　单因素分析结果
对本研究所纳入的综合类医学期刊文献统计学质量总分进行单因素分析，结果见表2。不同期刊收录体系、出版周期、主办单位、是否收取审稿费的期刊文献，以及不同研究领域、研究类型、研究对象类型、是否获得伦理委员会审批、是否获得知情同意、是否符合动物伦理要求、出版年份、第一作者单位类型、第一作者单位城市、通信作者单位类型、通信作者单位城市、是否报告利益冲突的文献统计学质量比较，差异均有统计学意义。
2.3.2　综合类医学期刊文献统计学质量总分多因素分析结果
多水平模型结果（表3）显示，与Medline期刊相比，中文核心期刊总分值较低。与人为研究对象的文献相比，以其他为研究对象的总分值较低。与2010年文献相比，2020年文献的总分值较高。
3　讨论
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统计学在科学数据的产生和分析以及推断方面发挥关键作用，是科学研究获得客观、可重复结果的基础。统计学方法的不恰当使用或不充分报告可能导致偏倚[3,25]。在过去几十年，中文医学研究数量大幅增加。本调查旨在调查2010年和2020年常见综合类医学期刊文献统计学报告质量，并衡量中文医学期刊遵守基本统计报告规范的情况，同时分析统计报告质量相关影响因素，为提高文献报告质量提供参考。
本研究结果表明，在一部分纳入的文献中，统计学报告的重要内容较模糊。Günel等[13]选取Thomson Reuters Clarivate Analytics数据库中20种SCI或SCI-E索引的放射学期刊，随机抽取这20种期刊2016年至2017年发表的157篇文献进行审查发现，仅10篇文献没有统计错误。Amiri等[26]纳入99篇2019年Cochrane收录的非药物康复随机对照试验文献进行评价发现，19.2%(19/99)文献至少存在1种统计分析错误。Hassan等[7]对10种印度高影响因子医学期刊2003年(n=588)和2013年(n=774)发表的所有原始研究文献进行质量评价。结果显示，与2003年相比，2013年存在统计错误文献比例并没有减少[25%(80/320) vs. 22.6%(111/490)，χ2=0.592，P=0.4418]。Jin等[4]选择10种中国医学期刊，对1998年(n=1335)和2008年(n=1578)发表的所有原始研究文献进行全面分析。结果显示，统计分析中的误差/缺陷比例下降[59.8%(545/1335) vs. 52.2%(664/1578)，χ2＝12.03，P<0.001]，但一些问题仍然存在。上述研究结果显示医学论文统计质量普遍存在欠缺，有待提高。
根据本研究结果，对中文医学文献统计报告的完善提出如下建议。①作者在研究设计之初，咨询医学统计学家并严格遵守SAMPL等指南和规范；②加强提升医学本科生和研究生的统计学实际运用能力以及论文撰写规范的教育培训，有条件的高校可邀请期刊编辑共同参与教学，更多采取案例教学法，以实际案例讲授如何更透明、更严谨的报告结果；③期刊应该加强对统计报告的严格审查；④鼓励医学期刊、生物统计学家等开展统计学科普，进一步提升作者、审稿人和编辑的数据素养。
本研究亦存在一些局限性。考虑到调查的可行性，从37种综合医学卫生类Medline或中文核心期刊中仅纳入8种期刊进行医学文献统计报告质量调查。相对较小的样本可能会导致偏倚，结果不应一概而论。由于调查的可行性和准确性，本研究缺乏对新的统计方法的调查和分析。此外，一些文献的一般信息不公开，如作者的教育背景，这使得本研究中纳入的相关因素不够全面。此外，需要注意的是，本研究评估的是文献的统计学报告质量而非文献的质量。尽管存在这些局限性，本研究将对提升中文医学文献报告的透明度、可信度提供一定参考，并提出了一些建设性和针对性较强的改进建议。
基金
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  • 中国高校科技期刊研究会2021年医学期刊专项基金(CUJS-YX-2021-2-6)
文献
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2024年第51卷第16期
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doi: 10.20043/j.cnki.MPM.202406181
  • 接收时间：2024-06-13
  • 首发时间：2026-03-18
  • 出版时间：2024-08-25
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  • 收稿日期：2024-06-13
基金
中国高校科技期刊研究会2021年医学期刊专项基金(CUJS-YX-2021-2-6)
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    1.四川大学华西第二医院编辑部、出生缺陷与相关妇儿疾病教育部重点实验室，四川 成都 610041
    2.四川大学华西公共卫生学院/四川大学华西第四医院流行病与卫生统计学系
    3.四川大学期刊社
    4.四川大学学报（医学版）编辑部

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2种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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