[1]潘锡龙,陈 丽,梁利斯.基于Logistic 回归和 ROC 曲线评价外周血 PCT,CRP,NEU% 和 PLT 水平在血流感染中的联合预测价值[J].现代检验医学杂志,2020,35(06):119-124.[doi:doi:10.3969/j.issn.1671-7414.2020.06.029]
 PAN Xi-long,CHEN Li,LIANG Li-si.Evaluation of the Combined Predictive Value of Peripheral Blood PCT, CRP,NEU% and PLT Levels in Bloodstream Infection Based onLogistic Regression and ROC Curve[J].Journal of Modern Laboratory Medicine,2020,35(06):119-124.[doi:doi:10.3969/j.issn.1671-7414.2020.06.029]
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基于Logistic 回归和 ROC 曲线评价外周血 PCT,CRP,NEU% 和 PLT 水平在血流感染中的联合预测价值()
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《现代检验医学杂志》[ISSN:/CN:]

卷:
第35卷
期数:
2020年06期
页码:
119-124
栏目:
论著
出版日期:
2020-12-30

文章信息/Info

Title:
Evaluation of the Combined Predictive Value of Peripheral Blood PCT, CRP,NEU% and PLT Levels in Bloodstream Infection Based onLogistic Regression and ROC Curve
文章编号:
1671-7414(2020)06-119-06
作者:
潘锡龙陈 丽梁利斯
(中山市东升医院检验科,广东中山 528414)
Author(s):
PAN Xi-long CHEN Li LIANG Li-si
(Department of Clinical Laboratory, Dongsheng Hospital of Zhongshan City, Guangdong Zhongshan 528414,China)
关键词:
Logistic 回归受试者工作特征曲线生物标志物血流感染预测价值
分类号:
R515.3;R446.11
DOI:
doi:10.3969/j.issn.1671-7414.2020.06.029
摘要:
目的 探讨降钙素原(procalcitonin,PCT)、C-反应蛋白(C-reactive protein,CRP)、中性粒细胞百分比(neutrophilpercentage,NEU%)和血小板(platelet,PLT)在血流感染(bloodstream infection,BSI)中的联合预测价值。方法 收集103 例 BSI 疑似患者常规指标 PCT,CRP,WBC,NEU% 和淋巴细胞百分比(lymphocyte percentage,LYM%)、中性粒细胞 / 淋巴细胞(neutrophils/lymphocytes,NEU/LYM)和血培养的检测结果及临床诊断资料,比较 BSI 者与非 BSI 者PCT,CRP,WBC,NEU%,LYM% 和 NEU/LYM 水平差异,将差异有统计学意义的指标纳入 Logistic 逐步回归,建立在 BSI 中联合预测模型,确定联合预测组合,通过受试者工作特征曲线(the receiver operating characteristic curve,ROC)比较预测组合中单个指标与联合预测模型在 BSI 中的预测价值。结果 BSI 者与非 BSI 者的 PCT,CRP,NEU%,LYM%,NEU/LYM 及 PLT 比较,差异均有统计学意义(Z=4.006, 3.214, 2.030, 1.956, 1.966, 2.565, 均 P<0.10),WBC差异无统计学意义(Z=0.227, P>0.10)。PCT,CRP,NEU%,LYM%,NEU/LYM 及 PLT 被纳入 Logistic 回归。经Logistic 回归,PCT,CRP,NEU% 和 PLT 被纳入建模组合;联合预测模型为 Logit P = - 4.890+1.877PCT+1.345 CRP+1.650NEU%+1.610PLT, 且 PCT,CRP,NEU% 和 PLT 的 优 势 比(OR) 分 别 为 6.5, 3.8, 5.2 和 5.0。PCT,CRP,NEU%,PLT 和联合预测模型的 ROC 曲线下面积(area under ROC curve,AUC)分别为 0.732, 0.686, 0.618, 0.649 和 0.859,联合预测模型 AUC 均明显大于单一指标 AUC(P<0.05)。结论 在 BSI 疑似人群中,PCT,CRP,NEU% 和 PLT 的联合预测模型均比各指标单独应用时有更好的预测价值,单独应用 PCT,NEU% 或 PLT 可协助初步识别 BSI,使用联合预测模型进行综合判断可协助确认 BSI。

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更新日期/Last Update: 2020-12-20