Article(id=1321833800150135164, tenantId=1146029695717560320, journalId=1283840372199657495, issueId=1321833672576189015, articleNumber=null, orderNo=null, doi=10.3724/SP.J.1123.2025.06003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1748966400000, receivedDateStr=2025-06-04, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793079336439, onlineDateStr=2026-10-27, pubDate=1772899200000, pubDateStr=2026-03-08, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793079336439, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793079336439, creator=13701087609, updateTime=1793079336439, 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=286, endPage=295, ext={EN=ArticleExt(id=1321833800468902269, articleId=1321833800150135164, tenantId=1146029695717560320, journalId=1283840372199657495, language=EN, title=Lipid metabolomics-based biomarker analysis of neonatal sepsis in serum and cerebrospinal fluid, columnId=1321833581522042906, journalTitle=Chinese Journal of Chromatography, columnName=Article, runingTitle=null, highlight=null, articleAbstract=
Neonatal sepsis remains a leading cause of morbidity and mortality among newborns worldwide. Despite advances in neonatal care, early diagnosis of sepsis remains challenging due to the lack of sensitive and specific biomarkers. While serum-based indicators have been widely studied, lipid metabolism in cerebrospinal fluid (CSF) remains relatively underexplored, limiting our understanding of central nervous system involvement (CNS) in the early stages of neonatal sepsis. This study aimed to systematically investigate lipid metabolic alterations in both serum and CSF samples from neonates with confirmed sepsis and to identify potential lipid biomarkers for early diagnosis. Seventeen neonates with blood culture-positive sepsis and seventeen controls with negative blood culture results were enrolled from the Neonatal Intensive Care Unit of Guangdong Women and Children Hospital (Women and Children’s Hospital, Southern University of Science and Technology) between February 2020 and August 2023. Paired serum and CSF samples were collected and analyzed using targeted lipidomics based on liquid chromatography-tandem mass spectrometry (LC-MS/MS). Univariate analyses, including Student’s t-tests and Mann-Whitney U tests, were applied to identify statistically significant differences in lipid levels between groups. Multivariate analyses, including principal component analysis (PCA) and orthogonal partial least squares discriminant analysis (OPLS-DA), were employed to further evaluate group separation and identify discriminatory lipid species. Pathway enrichment analysis was performed using the Kyoto Encyclopedia of Genes and Genomes (KEGG) database, and candidate biomarkers were selected using the Boruta feature selection algorithm and evaluated for diagnostic performance using receiver operating characteristic (ROC) curve analysis. A total of 322 lipid metabolites were identified in serum, with cholesteryl esters (CE), triacylglycerols (TAG), and phosphatidylcholines (PC) being the most abundant lipid classes. In the sepsis group, levels of nearly all lipid subclasses were significantly decreased compared to controls (P<0.05), except for TAG and diacylglycerols (DAG), which were not significantly altered. In CSF, 300 lipid species were detected, dominated by CE, PC, and phosphatidylethanolamines (PE). Significantly reduced levels of PE, ceramides (Cer), and lyso phosphatidylethanolamines (LPE) were observed in septic neonates (P<0.05). PCA plots demonstrated tight clustering of quality control (QC) samples, indicating high analytical reproducibility and stable instrument performance. In serum, PCA accounted for 66.1% of total variance, showing preliminary group separation that was further confirmed by OPLS-DA (R²Y=0.601, Q²Y=0.271), which identified 107 significantly downregulated lipid metabolites. Similarly, CSF PCA explained 75.7% of the variance, and OPLS-DA (R²Y=0.579, Q²Y=0.368) revealed 34 significantly downregulated lipid metabolites. Pathway enrichment analysis (FDR-P<0.05, pathway impact>0.10) showed that glycerophospholipid metabolism was the most significantly enriched pathway in both serum and CSF, followed by ether lipid and sphingolipid metabolism in serum. Key shared metabolites included PE(42:9), PC(38:0), LPC(22:6), and LPE(22:6), while PS(40:6) and PI(40:4) were specific to serum. Notably, thirteen differential lipid species were consistently identified in both serum and CSF, among which LPE(18:2), ePE(36:4), and Cer(d18:1/25:0) exhibited significant positive correlations between the two fluids (Pearson r=0.369-0.382, P<0.05), suggesting potential trans-barrier lipid communication or shared regulatory mechanisms. Boruta-based machine learning analysis identified LPC(28:1), LPE(18:2) and ePE(36:4) in serum as candidate biomarkers. These exhibited excellent diagnostic performance, with area under the curve (AUC) values of 0.96, 0.94, and 0.94, respectively, sensitivities ranging from 82.4% to 88.2%, and specificities from 94.1% to 100%. In CSF, Cer(d18:1/26:0), Cer(d18:1/25:0), and Cer(d18:1/24:1) were identified as high-importance variables. These demonstrated diagnostic AUCs of 0.89, 0.91, and 0.80, with sensitivities between 88.2% and 100% and specificities ranging from 64.7% to 70.6%. In summary, this study provides the first integrated lipidomic profiling of serum and CSF in neonatal sepsis, highlighting a consistent disruption in lipid metabolism, particularly within the glycerophospholipid pathway. Serum lipid biomarkers show promise as non-invasive early screening tools, while CSF lipid alterations offer valuable insights into CNS involvement and potential early neuroinflammatory responses. These findings support the potential of lipid-based biomarkers in improving the precision and timeliness of neonatal sepsis diagnosis. Nevertheless, the relatively small sample size and single-center design may limit the generalizability of the results. Future multicenter studies with larger cohorts are warranted to validate these findings and support clinical translation into neonatal care.
, authors=Weixiang WU, Fuqiang DIAO, Junfei GUO, Chunming GU, Lihong WU, Mingyong LUO
*, authorsList=Weixiang WU, Fuqiang DIAO, Junfei GUO, Chunming GU, Lihong WU, 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=1321833803996311944, articleId=1321833800150135164, tenantId=1146029695717560320, journalId=1283840372199657495, language=CN, title=基于血清与脑脊液脂质代谢组学的新生儿败血症生物标志物分析, columnId=1284557502792568846, journalTitle=色谱, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
新生儿败血症是导致新生儿发病和死亡的主要原因,但目前缺乏敏感、特异的早期生物标志物,尤其是关于脑脊液(CSF)脂质代谢的系统研究仍较有限。本研究纳入17例血培养阳性的败血症新生儿及其同期阴性对照,采用液相色谱-质谱联用技术对其血清与CSF样本进行靶向脂质组学分析。首先通过单变量和多变量分析筛选差异代谢物,然后进行通路富集分析。进一步结合Boruta算法与受试者工作特征(ROC)曲线分析,筛选并评估潜在诊断标志物的效能。结果显示,败血症组血清中除甘油三酯(TAG)和二酰基甘油(DAG)外,其余脂质种类含量均显著低于对照组(P<0.05);CSF中磷脂酰乙醇胺(PE)、神经酰胺(Cer)和溶血磷脂酰乙醇胺(LPE)水平均明显下降(P<0.05)。差异分析共识别出血清中107种、CSF中34种显著下调的脂质代谢物,均未发现上调脂质。通路分析提示甘油磷脂代谢在两类体液中均显著富集。血清与CSF中共有13种差异脂质代谢物,其中LPE(18:2)、ePE(36:4)和Cer(d18:1/25:0)在两种体液中的浓度呈显著正相关(Pearson r=0.369~0.382,P<0.05)。Boruta算法识别出血清中LPC(28:1)、LPE(18:2)与ePE(36:4)3种潜在标志物,曲线下面积(AUC)分别为0.96、0.94和0.94;CSF中Cer(d18:1/26:0)、Cer(d18:1/25:0)和Cer(d18:1/24:1)的AUC为0.89、0.91和0.80,表现出良好的诊断性能。本研究系统揭示了新生儿败血症中血清与CSF脂质代谢的紊乱,尤其甘油磷脂通路在两种体液中均表现出一致性异常,提示中枢与外周代谢存在协同失衡。此外,血清脂质标志物具备良好的早期筛查潜力,CSF脂质变化则提示中枢神经系统在败血症早期可能已受累,具有神经损伤预警价值,该研究为新生儿败血症的精准诊断与发病机制研究提供了新视角。
, authors=吴伟祥, 刁福强, 郭军飞, 古春明, 吴立红, 骆明勇
*, authorsList=吴伟祥, 刁福强, 郭军飞, 古春明, 吴立红, 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=1321833804256358793, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, xref=1, ext=[AuthorCompanyExt(id=1321833804264747402, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, companyId=1321833804256358793, 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=1321833804273136011, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, companyId=1321833804256358793, 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=1321833804659011986, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, 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=1321833804751286676, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, authorId=1321833804659011986, 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=
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=1321833804830978453, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, authorId=1321833804659011986, language=CN, stringName=刁福强, 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=1321833804256358793, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, xref=1, ext=[AuthorCompanyExt(id=1321833804264747402, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, companyId=1321833804256358793, 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=1321833804273136011, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, companyId=1321833804256358793, 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=1321833804944224663, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, 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=1321833805053276569, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, authorId=1321833804944224663, language=EN, stringName=Junfei GUO, firstName=Junfei, middleName=null, lastName=GUO, 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=1321833805158134170, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, authorId=1321833804944224663, language=CN, stringName=郭军飞, 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=1321833804256358793, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, xref=1, ext=[AuthorCompanyExt(id=1321833804264747402, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, companyId=1321833804256358793, 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=1321833804273136011, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, companyId=1321833804256358793, 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=1321833805246214556, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, 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=1321833805351072158, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, authorId=1321833805246214556, 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=
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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=1321833804256358793, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, xref=1, ext=[AuthorCompanyExt(id=1321833804264747402, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, companyId=1321833804256358793, 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=1321833805539815841, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, 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=1321833805636284835, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, authorId=1321833805539815841, 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=1321833805741142436, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, authorId=1321833805539815841, 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=
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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=1321833804273136011, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, companyId=1321833804256358793, 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=1321833808937202100, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, language=EN, label=Fig.1, caption=
Distribution of lipid metabolites in (a) serum and (b) cerebrospinal fluid (CSF), figureFileSmall=N9hUVabgabXIB5rFX0Jmnw==, figureFileBig=WyvfakWk8tRb7V9fam3Mdw==, tableContent=null), ArticleFig(id=1321833809088197045, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, language=CN, label=图1, caption=
(a)血清和(b)CSF样本脂质代谢物的分布情况* P<0.05; ** P <0.01; *** P<0.001.
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Differential lipidomic analysis in serum and CSF, figureFileSmall=lAjUHFiUgEtWrSzzZ6L3Lw==, figureFileBig=wk+sv/6AyAg0Rt/qSnJnfg==, tableContent=null), ArticleFig(id=1321833809432129975, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, language=CN, label=图2, caption=
血清与CSF脂质组学的差异代谢物分析a, b. PCA score plots; c, d. OPLS-DA score plots; e, f. OPLS-DA permutation tests; g, h. volcano plots.
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Pathway enrichment analysis of lipid metabolites in (a) serum and (b) CSF samples, and (c) metabolic network of the glycerophospholipid metabolism pathway, figureFileSmall=JHJSKEcwTEqTlZr8s/4kkg==, figureFileBig=sgANOkClhQx3l1M1fzqQ4g==, tableContent=null), ArticleFig(id=1321833809641845177, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, language=CN, label=图3, caption=
(a)血清和(b)CSF样本中脂质代谢物的通路富集分析与(c)甘油磷脂代谢通路Figs. a,b show the bubble plots of pathway enrichment for differential lipids in serum and CSF, respectively. Larger and redder bubbles indicate higher impact and greater statistical significance. Pathways with FDR-P < 0.05 and impact > 0.1 were considered significantly enriched. Fig. c shows the glycerophospholipid metabolism pathway. Blue boxes represent standard metabolites, red boxes indicate shared differential lipids in serum and CSF, and green boxes denote serum-specific differential metabolites.
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Correlation analysis of lipid metabolites between serum and CSF, figureFileSmall=uO9MRt2jaVB9qSRflv+YgQ==, figureFileBig=NUmMlLCdCiHa2WeA8joozw==, tableContent=null), ArticleFig(id=1321833809822200251, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, language=CN, label=图4, caption=
脂质代谢物在血清与CSF中的相关性分析a. LPE (18:2); b. ePE (36:4); c. Cer (d18:1/25:0).
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Receiver operating characteristic (ROC) curves of lipid metabolites in serum and CSF, figureFileSmall=RaD/Uu+OHHpJqSK5YfBPYg==, figureFileBig=6uO/h+EYv8gkNQLLVznJCw==, tableContent=null), ArticleFig(id=1321833810031915453, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, language=CN, label=图5, caption=
血清与CSF脂质代谢物的ROC曲线, figureFileSmall=RaD/Uu+OHHpJqSK5YfBPYg==, figureFileBig=6uO/h+EYv8gkNQLLVznJCw==, tableContent=null), ArticleFig(id=1321833810107412926, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833800150135164, language=EN, label=Table 1, caption=
Baseline characteristics and pathogen detection of the study population
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| Characteristics | Case (n=17) | Control (n=17) | P-value |
|---|
| Male infant | 13 (76.5%) | 10 (58.8%) | 0.271 |
| Age/day | 12.24±10.50 | 10.00±7.86 | 0.501 |
| Birth weight/kg | 1.65 (1.10-2.97) | 2.75 (1.93-3.36) | 0.079 |
| Birth length/cm | 39.50 (36.5-41.75) | 49.00 (44.50-50.25) | 0.004* |
| Gestational age/week | 33.49±4.37 | 36.85±3.06 | 0.015* |
| PCT/(ng/mL) | 0.35 (0.18-1.47) | 0.56 (0.30-1.45) | 0.527 |
| CRP/(mg/L) | 2.32 (0.52-7.45) | 4.34 (0.91-34.50) | 0.433 |
| WBC/(109/L) | 13.04 (8.22-16.55) | 11.05 (8.04-12.96) | 0.260 |
| NEUT/(109/L) | 7.30 (4.17-13.83) | 5.27 (3.42-7.84) | 0.217 |
| NEUT%/% | 60.90 (41.03-78.03) | 58.00 (38.35-64.95) | 0.204 |
| Types of infectious agents |
| Escherichia coli | 6 (33.3%) | / | / |
| Klebsiella pneumoniae | 3 (16.7%) | / | / |
| Staphylococcus aureus | 2 (11.1%) | / | / |
| Other pathogens | 7 (39.2%) | / | / |
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研究人群基本特征与病原菌检出情况
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| Characteristics | Case (n=17) | Control (n=17) | P-value |
|---|
| Male infant | 13 (76.5%) | 10 (58.8%) | 0.271 |
| Age/day | 12.24±10.50 | 10.00±7.86 | 0.501 |
| Birth weight/kg | 1.65 (1.10-2.97) | 2.75 (1.93-3.36) | 0.079 |
| Birth length/cm | 39.50 (36.5-41.75) | 49.00 (44.50-50.25) | 0.004* |
| Gestational age/week | 33.49±4.37 | 36.85±3.06 | 0.015* |
| PCT/(ng/mL) | 0.35 (0.18-1.47) | 0.56 (0.30-1.45) | 0.527 |
| CRP/(mg/L) | 2.32 (0.52-7.45) | 4.34 (0.91-34.50) | 0.433 |
| WBC/(109/L) | 13.04 (8.22-16.55) | 11.05 (8.04-12.96) | 0.260 |
| NEUT/(109/L) | 7.30 (4.17-13.83) | 5.27 (3.42-7.84) | 0.217 |
| NEUT%/% | 60.90 (41.03-78.03) | 58.00 (38.35-64.95) | 0.204 |
| Types of infectious agents |
| Escherichia coli | 6 (33.3%) | / | / |
| Klebsiella pneumoniae | 3 (16.7%) | / | / |
| Staphylococcus aureus | 2 (11.1%) | / | / |
| Other pathogens | 7 (39.2%) | / | / |
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