Article(id=1321833685326873285, tenantId=1146029695717560320, journalId=1283840372199657495, issueId=1321833672576189015, articleNumber=null, orderNo=null, doi=10.3724/SP.J.1123.2025.07001, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1752508800000, receivedDateStr=2025-07-15, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793079309064, onlineDateStr=2026-10-27, pubDate=1772899200000, pubDateStr=2026-03-08, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793079309064, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793079309064, creator=13701087609, updateTime=1793079309064, updator=13701087609, issue=Issue{id=1321833672576189015, tenantId=1146029695717560320, journalId=1283840372199657495, year='2026', volume='44', issue='3', pageStart='226', pageEnd='370', issueExtLink='null', onlineDate='null', pubDate='1772899200000', pubDateStr='2026-03-08', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1793079306023, creator='13701087609', updateTime=1793079880859, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321836083676033869, tenantId=1146029695717560320, journalId=1283840372199657495, issueId=1321833672576189015, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321836083676033870, tenantId=1146029695717560320, journalId=1283840372199657495, issueId=1321833672576189015, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=257, endPage=266, ext={EN=ArticleExt(id=1321833685700166342, articleId=1321833685326873285, tenantId=1146029695717560320, journalId=1283840372199657495, language=EN, title=Development of a liquid chromatography-tandem mass spectrometry method for steroid hormone detection during pregnancy and consistency analysis with chemiluminescence immunoassay, columnId=1321833581522042906, journalTitle=Chinese Journal of Chromatography, columnName=Article, runingTitle=null, highlight=null, articleAbstract=
Steroid hormones play a critical role in maintaining pregnancy and supporting fetal development. Accurate quantification of these hormones is essential for evaluating the endocrine status during pregnancy. While chemiluminescence immunoassay (CLIA) is widely used in clinical practice in China, it has inherent methodological limitations. In contrast, liquid chromatography-tandem mass spectrometry (LC-MS/MS) has been internationally recognized for its superior analytical performance but remains underutilized in Chinese obstetric practice. Moreover, systematic evaluations comparing these two methods in pregnant women are still lacking. This study aimed to develop and validate an isotope-dilution LC-MS/MS method for the simultaneous quantification of four key steroid hormones, including cortisol, dehydroepiandrosterone sulfate (DHEAS), testosterone, and 17-hydroxyprogesterone (17-OHP). In addition, a consistency analysis was conducted between LC-MS/MS and CLIA among pregnant women. Method validation followed international bioanalytical guidelines, evaluating linearity, limits of quantification (LOQs), recovery, and precision. Serum samples from 94 pregnant women were collected at Guangdong Women and Children Hospital between January 2022 and December 2023, and were analyzed using both LC-MS/MS and CLIA. Method comparison was performed using paired t-tests, Pearson correlation, Bland-Altman plots, and Passing-Bablok regression to assess concentration differences, correlation, and systematic biases between the two methods. In this study, the established LC-MS/MS method exhibited excellent performance, with linear coefficients of determination >0.999, LOQs of 0.008-0.137 ng/mL, spiked recoveries of 92.1%-110.9%, and intra-assay relative standard deviations (RSDs) of 3.2%-9.0%, meeting the requirements for clinical detection. In a cohort of 94 pregnant women, paired t-tests revealed significant differences in hormone concentrations measured by LC-MS/MS and CLIA (all P<0.001). Specifically, LC-MS/MS yielded significantly lower values for cortisol (64.31 vs. 120.60 ng/mL) and DHEAS (532.44 vs. 1 612.1 ng/mL), but higher values for testosterone (1.10 vs. 0.88 ng/mL) and 17-OHP (2.00 vs. 1.07 ng/mL). Bland-Altman analysis further revealed obvious negative proportional biases for cortisol and DHEAS, with bias values of -56.29 ng/mL and -1 079.68 ng/mL, respectively. Additionally, the biases increased with the increase of concentration. In contrast, testosterone and 17-OHP showed positive biases, with bias values of 0.22 ng/mL and 0.89 ng/mL, respectively. The two methods showed extremely strong positive correlations in the detection of the four hormones (P<0.001, r=0.819-0.974), among which the correlation of testosterone detection results was the highest (r=0.974). In the Passing-Bablok regression analysis, the consistency regression equation for cortisol was CLC-MS/MS=-3.58+0.57CCLIA. The confidence interval (CI) of the slope did not include 1, indicating obvious proportional bias. The consistency regression equation for DHEAS was CLC-MS/MS=-59.77+0.38CCLIA. The CIs of the intercept and slope did not include 0 and 1, respectively, suggesting the existence of fixed and proportional biases. The consistency regression equation for testosterone was CLC-MS/MS=-0.05+1.30CCLIA. The CIs of the intercept and slope did not include 0 and 1, respectively, indicating the existence of fixed and proportional biases. In addition, the differences increased with the increase of concentration. For 17-OHP, the regression equation was CLC-MS/MS=0.10+1.75CCLIA. Though the intercept was not statistically significant, the slope deviated significantly from 1, indicating a proportional bias. Additionally, LC-MS/MS values were significantly higher, and the difference increased with rising concentration. In conclusion, the established LC-MS/MS method offers high sensitivity, precision, and accuracy for the simultaneous quantification of multiple steroid hormones. The method reliably measured cortisol, DHEAS, testosterone, and 17-OHP levels in maternal serum. Additionally, our results revealed statistically significant differences between the two methods across all four hormones in pregnant women, with biases varying by concentration. These findings highlight the importance for clinicians to consider methodological differences when interpreting hormone test results during pregnancy, in order to improve the accuracy of endocrine assessment and reduce the risk of misdiagnosis due to analytical discrepancies. Future studies should incorporate large-scale maternal cohorts covering all stages of pregnancy and high-risk populations to further assess the clinical applicability of different methods and promote the standardization of LC-MS/MS for obstetric endocrine monitoring. In parallel, trimester-specific reference intervals should be established to support clinical interpretation and risk evaluation.
, authors=Weixiang WU, Lihong WU, Fuqiang DIAO, Youwen LUO, Chunming GU, Mingyong LUO
*, authorsList=Weixiang WU, Lihong WU, Fuqiang DIAO, Youwen LUO, Chunming GU, Mingyong LUO, authorCompany=null, correspAuthors=Mingyong LUO, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1321833686857794253, articleId=1321833685326873285, tenantId=1146029695717560320, journalId=1283840372199657495, language=CN, title=孕期类固醇激素的液相色谱-串联质谱检测方法建立及与化学发光法一致性分析, columnId=1284557502792568846, journalTitle=色谱, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
类固醇激素在妊娠和胎儿发育中发挥重要作用,其准确检测对评估孕期内分泌状态具有重要临床价值。当前我国临床常用的化学发光免疫分析法(CLIA)在方法学上存在一定局限性,而液相色谱-串联质谱法(LC-MS/MS)虽已被国际公认为更可靠的检测手段,但在我国尚未得到广泛应用,且针对孕妇群体中两种检测方法的一致性评价仍缺乏系统性研究。本研究建立并验证了一种基于LC-MS/MS的多激素检测方法,可同时测定血清中皮质醇、硫酸脱氢表雄酮(DHEAS)、睾酮和17α-羟孕酮(17-OHP)。该方法线性决定系数>0.999,定量限(LOQ)为0.008~0.137 ng/mL,加标回收率为92.1%~110.9%,相对标准偏差(RSD)为3.2%~9.0%,可满足临床检测要求。在94例孕妇样本中的一致性分析结果显示,两种方法测得结果在所有激素水平上均存在显著差异(P均<0.001),其中LC-MS/MS测得的皮质醇和DHEAS水平显著低于CLIA,而睾酮和17-OHP水平则显著高于CLIA。Bland-Altman分析显示,皮质醇(-56.29 ng/mL)和DHEAS(-1 079.68 ng/mL)存在负向偏倚,睾酮(0.22 ng/mL)和17-OHP(0.89 ng/mL)存在正向偏倚,且偏倚随浓度升高而扩大。两种方法在4种激素检测中均具有高度正相关(P<0.001,r=0.819~0.974)。Passing-Bablok回归分析结果发现,皮质醇的一致性回归方程为CLC-MS/MS=-3.58+0.57CCLIA,存在明显的比例性偏倚;DHEAS的方程为CLC-MS/MS=-59.77+0.38CCLIA,存在固定性偏倚和比例性偏倚;睾酮的方程为CLC-MS/MS=-0.05+1.30CCLIA,存在固定性和比例性偏倚,且随着浓度升高差异逐渐加大;17-OHP的方程为CLC-MS/MS=0.10+1.75CCLIA,存在比例性偏倚,且差异随浓度增加而扩大。本研究不仅建立了高灵敏度、高准确性的多激素LC-MS/MS检测方法,也揭示了其与CLIA之间的系统性差异。研究结果提示临床医生在解读检测结果时,需充分考虑检测方法的差异性,降低因检测误差导致的临床误诊风险。未来应在更大样本中验证其临床适用性,并推动LC-MS/MS在孕期内分泌监测中的标准化应用。
, authors=吴伟祥, 吴立红, 刁福强, 罗有文, 古春明, 骆明勇
*, authorsList=吴伟祥, 吴立红, 刁福强, 罗有文, 古春明, 骆明勇, authorCompany=null, correspAuthors=骆明勇, authorNote=null, correspAuthorsNote=
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1南方科技大学附属妇女儿童医院临床检验中心, 广东省妇幼保健院, 广东 广州 511443, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1321833687159784142, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, xref=1, ext=[AuthorCompanyExt(id=1321833687168172751, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, companyId=1321833687159784142, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1南方科技大学附属妇女儿童医院临床检验中心, 广东省妇幼保健院, 广东 广州 511443)])]), Author(id=1321833687621157591, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321833687772152537, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, authorId=1321833687621157591, language=EN, stringName=Lihong WU, firstName=Lihong, middleName=null, lastName=WU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=
1Department of Clinical Laboratory, Women and Children’s Hospital, Southern University of Science and Technology, Guangdong Women and Children Hospital, Guangzhou 511443, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1321833687881204442, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, authorId=1321833687621157591, language=CN, stringName=吴立红, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=
1南方科技大学附属妇女儿童医院临床检验中心, 广东省妇幼保健院, 广东 广州 511443, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1321833687159784142, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, xref=1, ext=[AuthorCompanyExt(id=1321833687168172751, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, companyId=1321833687159784142, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1Department of Clinical Laboratory, Women and Children’s Hospital, Southern University of Science and Technology, Guangdong Women and Children Hospital, Guangzhou 511443, China), AuthorCompanyExt(id=1321833687180755664, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, companyId=1321833687159784142, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1南方科技大学附属妇女儿童医院临床检验中心, 广东省妇幼保健院, 广东 广州 511443)])]), Author(id=1321833687986062044, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321833688095113950, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, authorId=1321833687986062044, language=EN, stringName=Fuqiang DIAO, firstName=Fuqiang, middleName=null, lastName=DIAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=
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1南方科技大学附属妇女儿童医院临床检验中心, 广东省妇幼保健院, 广东 广州 511443, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1321833687159784142, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, xref=1, ext=[AuthorCompanyExt(id=1321833687168172751, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, companyId=1321833687159784142, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1Department of Clinical Laboratory, Women and Children’s Hospital, Southern University of Science and Technology, Guangdong Women and Children Hospital, Guangzhou 511443, China), AuthorCompanyExt(id=1321833687180755664, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, companyId=1321833687159784142, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1南方科技大学附属妇女儿童医院临床检验中心, 广东省妇幼保健院, 广东 广州 511443)])]), Author(id=1321833688258691809, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321833688455824099, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, authorId=1321833688258691809, language=EN, stringName=Youwen LUO, firstName=Youwen, middleName=null, lastName=LUO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=
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1南方科技大学附属妇女儿童医院临床检验中心, 广东省妇幼保健院, 广东 广州 511443, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1321833687159784142, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, xref=1, ext=[AuthorCompanyExt(id=1321833687168172751, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, companyId=1321833687159784142, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1南方科技大学附属妇女儿童医院临床检验中心, 广东省妇幼保健院, 广东 广州 511443)])]), Author(id=1321833688652956390, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321833688753619688, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, authorId=1321833688652956390, language=EN, stringName=Chunming GU, firstName=Chunming, middleName=null, lastName=GU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=
1Department of Clinical Laboratory, Women and Children’s Hospital, Southern University of Science and Technology, Guangdong Women and Children Hospital, Guangzhou 511443, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1321833688824922857, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, authorId=1321833688652956390, language=CN, stringName=古春明, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=
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1Department of Clinical Laboratory, Women and Children’s Hospital, Southern University of Science and Technology, Guangdong Women and Children Hospital, Guangzhou 511443, China), AuthorCompanyExt(id=1321833687180755664, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, companyId=1321833687159784142, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1南方科技大学附属妇女儿童医院临床检验中心, 广东省妇幼保健院, 广东 广州 511443)])], figs=[ArticleFig(id=1321833690523615993, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=EN, label=Fig.1, caption=
Paired boxplots comparing concentrations of the four steroid hormones measured by LC-MS/MS and CLIA, figureFileSmall=OVtirrtifWrMEcILH1NLRg==, figureFileBig=oKKa1tJHbR6yEAZHD+9KEA==, tableContent=null), ArticleFig(id=1321833690662028026, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=CN, label=图1, caption=
4种类固醇激素在LC-MS/MS与CLIA检测方法间的配对箱式图Box represents the interquartile range (IQR), center line denotes the median, and pink diamond indicates the mean value. *** P < 0.001, paired t-test.
, figureFileSmall=OVtirrtifWrMEcILH1NLRg==, figureFileBig=oKKa1tJHbR6yEAZHD+9KEA==, tableContent=null), ArticleFig(id=1321833690980795131, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=EN, label=Fig.2, caption=
Bland-Altman plot of the four hormones detected by LC-MS/MS and CLIA, figureFileSmall=UpntRYbZNOGDbhAd7C/2VA==, figureFileBig=zuGEphRmXKbr4j1dKGQomw==, tableContent=null), ArticleFig(id=1321833691127595772, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=CN, label=图2, caption=
LC-MS/MS与CLIA法检测4种激素的 Bland-Altman 图The horizontal axis represents the mean of the two methods, and the vertical axis represents the difference between the two methods (CLC-MS/MS-CCLIA). The black solid line denotes the mean CLC-MS/MS-C CLIA, while the red dashed lines indicate the 95% limits of agreement.
, figureFileSmall=UpntRYbZNOGDbhAd7C/2VA==, figureFileBig=zuGEphRmXKbr4j1dKGQomw==, tableContent=null), ArticleFig(id=1321833691291173629, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=EN, label=Fig.3, caption=
Passing-Bablok regression analysis between LC-MS/MS and CLIA for the four steroid hormones, figureFileSmall=t4Z7fzFGVge8nRZ8QF54hg==, figureFileBig=3wLE99Am+TVkPBkaZ3WOWw==, tableContent=null), ArticleFig(id=1321833691454751486, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=CN, label=图3, caption=
LC-MS/MS与CLIA法检测4种激素的Passing-Bablok回归分析The x-axis represents mass concentrations measured by CLIA, and the y-axis by LC-MS/MS. The red line shows the regression fit with 95% CIs, and the dashed line denotes the line of identity (y=x).
, figureFileSmall=t4Z7fzFGVge8nRZ8QF54hg==, figureFileBig=3wLE99Am+TVkPBkaZ3WOWw==, tableContent=null), ArticleFig(id=1321833691597357823, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=EN, label=Table 1, caption=
Optimized MS parameters for the quantitative analysis of steroid hormones
, figureFileSmall=null, figureFileBig=null, tableContent=
| Hormone | RT/min | Quantitative analysis | | Qualitative analysis |
|---|
| Ion pair (m/z) | DP/V | CE/eV | Dwell time/ms | Ion pair (m/z) | DP/V | CE/eV | Dwell time/ms |
|---|
| Cortisol | 4.59 | 363.3/121.2 | 100 | 25 | 25 | | 363.3/155.1 | 80 | 25 | 25 |
| Cortisol-d4 | 4.58 | 367.1/121.2 | 100 | 34 | 25 | | / | | | |
| DHEAS | 0.80 | 367.1/97.0 | -120 | -30 | 25 | | 367.1/80.0 | -120 | -80 | 25 |
| DHEAS-d6 | 0.80 | 373.3/98.0 | -150 | -38 | 25 | | / | | | |
| Testosterone | 6.61 | 289.2/97.2 | 90 | 28 | 25 | | 289.2/109.0 | 90 | 33 | 25 |
| Testosterone-d5 | 6.59 | 294.1/100.3 | 40 | 30 | 25 | | / | | | |
| 17-OHP | 6.70 | 331.2/97.2 | 80 | 30 | 25 | | 331.2/109.2 | 80 | 33 | 25 |
| 17-OHP-d8 | 6.40 | 339.1/100.1 | 80 | 35 | 25 | | / | | | |
), ArticleFig(id=1321833691807073024, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=CN, label=表1, caption=
类固醇激素定量分析的优化质谱参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| Hormone | RT/min | Quantitative analysis | | Qualitative analysis |
|---|
| Ion pair (m/z) | DP/V | CE/eV | Dwell time/ms | Ion pair (m/z) | DP/V | CE/eV | Dwell time/ms |
|---|
| Cortisol | 4.59 | 363.3/121.2 | 100 | 25 | 25 | | 363.3/155.1 | 80 | 25 | 25 |
| Cortisol-d4 | 4.58 | 367.1/121.2 | 100 | 34 | 25 | | / | | | |
| DHEAS | 0.80 | 367.1/97.0 | -120 | -30 | 25 | | 367.1/80.0 | -120 | -80 | 25 |
| DHEAS-d6 | 0.80 | 373.3/98.0 | -150 | -38 | 25 | | / | | | |
| Testosterone | 6.61 | 289.2/97.2 | 90 | 28 | 25 | | 289.2/109.0 | 90 | 33 | 25 |
| Testosterone-d5 | 6.59 | 294.1/100.3 | 40 | 30 | 25 | | / | | | |
| 17-OHP | 6.70 | 331.2/97.2 | 80 | 30 | 25 | | 331.2/109.2 | 80 | 33 | 25 |
| 17-OHP-d8 | 6.40 | 339.1/100.1 | 80 | 35 | 25 | | / | | | |
), ArticleFig(id=1321833691962262273, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=EN, label=Table 2, caption=
Regression equations,linear ranges, LODs, and LOQs of the steroid hormones
, figureFileSmall=null, figureFileBig=null, tableContent=
| Hormone | Regression equation | R² | Linear range/(ng/mL) | LOD | LOQ |
|---|
| Cortisol | Y=0.042X-0.041 | 0.999 | 5-1000 | 0.008 | 0.025 |
| DHEAS | Y=0.956X+5.463 | 0.999 | 20-4000 | 0.042 | 0.137 |
| Testosterone | Y=0.94X+0.046 | 0.999 | 0.05-10 | 0.002 | 0.008 |
| 17-OHP | Y=1.026X-0.030 | 0.999 | 0.2-40 | 0.025 | 0.083 |
), ArticleFig(id=1321833692100674306, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=CN, label=表2, caption=
类固醇激素的回归方程、线性范围、LOD与LOQ
, figureFileSmall=null, figureFileBig=null, tableContent=
| Hormone | Regression equation | R² | Linear range/(ng/mL) | LOD | LOQ |
|---|
| Cortisol | Y=0.042X-0.041 | 0.999 | 5-1000 | 0.008 | 0.025 |
| DHEAS | Y=0.956X+5.463 | 0.999 | 20-4000 | 0.042 | 0.137 |
| Testosterone | Y=0.94X+0.046 | 0.999 | 0.05-10 | 0.002 | 0.008 |
| 17-OHP | Y=1.026X-0.030 | 0.999 | 0.2-40 | 0.025 | 0.083 |
), ArticleFig(id=1321833692205531907, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=EN, label=Table 3, caption=
Spiked recoveries and precisions of the steroid hormones at three levels (n=6)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Hormone | Low level | | Medium level | | High level |
|---|
| Added/(ng/mL) | Rec./% | RSD/% | Added/(ng/mL) | Rec./% | RSD/% | Added/(ng/mL) | Rec./% | RSD/% |
|---|
| Cortisol | 15 | 108.3 | 5.6 | | 75 | 110.9 | 9.0 | | 375 | 92.1 | 5.9 |
| DHEAS | 150 | 110.2 | 3.2 | | 750 | 104.6 | 5.1 | | 3750 | 96.5 | 5.9 |
| Testosterone | 0.15 | 97.9 | 5.7 | | 0.75 | 101.0 | 6.0 | | 3.75 | 100.7 | 6.3 |
| 17-OHP | 0.6 | 99.8 | 4.8 | | 3 | 100.8 | 5.0 | | 15 | 100.1 | 3.6 |
), ArticleFig(id=1321833692297806596, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=CN, label=表3, caption=
类固醇激素在3个水平下的加标回收率和精密度(n=6)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Hormone | Low level | | Medium level | | High level |
|---|
| Added/(ng/mL) | Rec./% | RSD/% | Added/(ng/mL) | Rec./% | RSD/% | Added/(ng/mL) | Rec./% | RSD/% |
|---|
| Cortisol | 15 | 108.3 | 5.6 | | 75 | 110.9 | 9.0 | | 375 | 92.1 | 5.9 |
| DHEAS | 150 | 110.2 | 3.2 | | 750 | 104.6 | 5.1 | | 3750 | 96.5 | 5.9 |
| Testosterone | 0.15 | 97.9 | 5.7 | | 0.75 | 101.0 | 6.0 | | 3.75 | 100.7 | 6.3 |
| 17-OHP | 0.6 | 99.8 | 4.8 | | 3 | 100.8 | 5.0 | | 15 | 100.1 | 3.6 |
), ArticleFig(id=1321833692415247109, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=EN, label=Table 4, caption=
Basic characteristics of study population
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| Characteristic | Mean±SD or n (%) |
|---|
| Maternal age/year | 31.15±4.14 |
| Gestational age at sampling/week | 14.25±1.35 |
| Pre-pregnancy BMI/(kg/m2) | 21.70±2.98 |
| Pre-pregnancy BMI categories | |
| Underweight (<18.5 kg/m2) | 8 (8.5) |
| Normal-weight (18.5-23.9 kg/m2) | 74 (78.7) |
| Overweight (>23.9 kg/m2) | 12 (12.8) |
| Nulliparous | 50 (53.2) |
| Vaginal delivery | 56 (59.6) |
| Gestational diabetes | 18 (19.1) |
| Male infant | 44 (46.8) |
), ArticleFig(id=1321833692503327494, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=CN, label=表4, caption=
研究人群的基本特征
, figureFileSmall=null, figureFileBig=null, tableContent=
| Characteristic | Mean±SD or n (%) |
|---|
| Maternal age/year | 31.15±4.14 |
| Gestational age at sampling/week | 14.25±1.35 |
| Pre-pregnancy BMI/(kg/m2) | 21.70±2.98 |
| Pre-pregnancy BMI categories | |
| Underweight (<18.5 kg/m2) | 8 (8.5) |
| Normal-weight (18.5-23.9 kg/m2) | 74 (78.7) |
| Overweight (>23.9 kg/m2) | 12 (12.8) |
| Nulliparous | 50 (53.2) |
| Vaginal delivery | 56 (59.6) |
| Gestational diabetes | 18 (19.1) |
| Male infant | 44 (46.8) |
), ArticleFig(id=1321833692616573703, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=EN, label=Table 5, caption=
Comparison of quantitative detection results of the four steroid hormones in serum by LC-MS/MS and CLIA
, figureFileSmall=null, figureFileBig=null, tableContent=
| Parameter | Cortisol | | DHEAS | | Testosterone | | 17-OHP |
|---|
| LC-MS/MS | CLIA | LC-MS/MS | CLIA | LC-MS/MS | CLIA | LC-MS/MS | CLIA |
|---|
| Mean/(ng/mL) | 64.31 | 120.60 | | 532.44 | 1612.10 | | 1.10 | 0.88 | | 2.00 | 1.07 |
| SD/(ng/mL) | 23.32 | 39.62 | | 253.02 | 656.34 | | 0.85 | 0.64 | | 0.89 | 0.50 |
| Minimum/(ng/mL) | 16.40 | 35.00 | | 85.20 | 278.00 | | 0.20 | 0.20 | | 0.87 | 0.37 |
| 25th/(ng/mL) | 47.98 | 94.00 | | 329.25 | 1138.00 | | 0.65 | 0.54 | | 1.48 | 0.69 |
| 50th/(ng/mL) | 59.55 | 115.00 | | 535.50 | 1636.50 | | 0.87 | 0.71 | | 1.78 | 0.93 |
| 75th/(ng/mL) | 77.88 | 142.00 | | 702.25 | 2005.00 | | 1.21 | 0.94 | | 2.28 | 1.36 |
| Maximum/(ng/mL) | 127.00 | 225.00 | | 1380.00 | 3536.00 | | 5.40 | 4.21 | | 6.27 | 2.99 |
| Difference/(ng/mL) | -56.29 | | | -1079.68 | | | 0.22 | | | 0.89 | |
| %Difference | -46.52% | | | -67.49% | | | 24.47% | | | 93.82% | |
| t-value | 26.36 | | | 24.13 | | | -7.98 | | | -13.44 | |
| P-value | <0.001 | | | <0.001 | | | <0.001 | | | <0.001 | |
), ArticleFig(id=1321833692700459784, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=CN, label=表5, caption=
血清中4种类固醇激素的LC-MS/MS与CLIA定量检测结果对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| Parameter | Cortisol | | DHEAS | | Testosterone | | 17-OHP |
|---|
| LC-MS/MS | CLIA | LC-MS/MS | CLIA | LC-MS/MS | CLIA | LC-MS/MS | CLIA |
|---|
| Mean/(ng/mL) | 64.31 | 120.60 | | 532.44 | 1612.10 | | 1.10 | 0.88 | | 2.00 | 1.07 |
| SD/(ng/mL) | 23.32 | 39.62 | | 253.02 | 656.34 | | 0.85 | 0.64 | | 0.89 | 0.50 |
| Minimum/(ng/mL) | 16.40 | 35.00 | | 85.20 | 278.00 | | 0.20 | 0.20 | | 0.87 | 0.37 |
| 25th/(ng/mL) | 47.98 | 94.00 | | 329.25 | 1138.00 | | 0.65 | 0.54 | | 1.48 | 0.69 |
| 50th/(ng/mL) | 59.55 | 115.00 | | 535.50 | 1636.50 | | 0.87 | 0.71 | | 1.78 | 0.93 |
| 75th/(ng/mL) | 77.88 | 142.00 | | 702.25 | 2005.00 | | 1.21 | 0.94 | | 2.28 | 1.36 |
| Maximum/(ng/mL) | 127.00 | 225.00 | | 1380.00 | 3536.00 | | 5.40 | 4.21 | | 6.27 | 2.99 |
| Difference/(ng/mL) | -56.29 | | | -1079.68 | | | 0.22 | | | 0.89 | |
| %Difference | -46.52% | | | -67.49% | | | 24.47% | | | 93.82% | |
| t-value | 26.36 | | | 24.13 | | | -7.98 | | | -13.44 | |
| P-value | <0.001 | | | <0.001 | | | <0.001 | | | <0.001 | |
), ArticleFig(id=1321833692822094601, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=EN, label=Table 6, caption=
Results of Passing-Bablok regression analysis for the detection of the four hormones by LC-MS/MS and CLIA
, figureFileSmall=null, figureFileBig=null, tableContent=
| Hormone | Regression equation | Intercept (95% CI) | Slope (95% CI) | Bias direction |
|---|
| Cortisol | CLC-MS/MS=-3.58+0.57CCLIA | -3.58 (-8.17, 0.84) | 0.57 (0.53, 0.61)b | LC-MS/MS<CLIA |
| DHEAS | CLC-MS/MS=-59.77+0.38CCLIA | -59.77 (-109.97, -19.58)a | 0.38 (0.35, 0.41)b | LC-MS/MS<CLIA |
| Testosterone | CLC-MS/MS=-0.05+1.30CCLIA | -0.05 (-0.11, -0.005) a | 1.30 (1.23, 1.39)b | LC-MS/MS>CLIA |
| 17-OHP | CLC-MS/MS=0.10+1.75CCLIA | 0.10 (-0.14, 0.40) | 1.75 (1.39, 2.04)b | LC-MS/MS>CLIA |
), ArticleFig(id=1321833692922757898, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833685326873285, language=CN, label=表6, caption=
LC-MS/MS与CLIA法检测4种激素的Passing-Bablok回归分析结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| Hormone | Regression equation | Intercept (95% CI) | Slope (95% CI) | Bias direction |
|---|
| Cortisol | CLC-MS/MS=-3.58+0.57CCLIA | -3.58 (-8.17, 0.84) | 0.57 (0.53, 0.61)b | LC-MS/MS<CLIA |
| DHEAS | CLC-MS/MS=-59.77+0.38CCLIA | -59.77 (-109.97, -19.58)a | 0.38 (0.35, 0.41)b | LC-MS/MS<CLIA |
| Testosterone | CLC-MS/MS=-0.05+1.30CCLIA | -0.05 (-0.11, -0.005) a | 1.30 (1.23, 1.39)b | LC-MS/MS>CLIA |
| 17-OHP | CLC-MS/MS=0.10+1.75CCLIA | 0.10 (-0.14, 0.40) | 1.75 (1.39, 2.04)b | LC-MS/MS>CLIA |
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