感染性标志物预测血流感染早期诊断价值的分析

被引:28
作者
钟倩怡 [1 ]
李招云 [1 ]
卢国光 [2 ]
缪蕾蕾 [1 ]
机构
[1] 台州市中心医院
[2] 浙江省台州医院
关键词
白细胞; 中性粒细胞; 中性粒细胞淋巴细胞比率; 血小板; C反应蛋白; 降钙素原; 血流感染;
D O I
暂无
中图分类号
R51 [传染病]; R446.6 [免疫学检验];
学科分类号
100401 ; 100208 ;
摘要
目的探讨6种感染性标志物[白细胞(WBC)、中性粒细胞(NEU)、中性粒细胞淋巴细胞比率(NLR)、血小板(PLT)、C反应蛋白(CRP)、降钙素原(PCT)]在预测血流感染早期诊断中的价值。方法回顾性分析6种感染性标志物在150例血培养阳性组与138例血培养阴性组之间的差异。结果血培养阳性组6种感染性标志物与血培养阴性组比较差异均有统计学意义(P均<0.05)。PLT的受试者工作特征(ROC)曲线下面积(AUC)最低,为0.58(95%CI:0.470.69),诊断效能最低。NLR在血常规的4个参数(WBC、NEU、NLR、PLT)中AUC最高,为0.69(95%CI:0.590.78),敏感性、阳性预测值、阴性预测值也为4个参数中最高,分别为58.67%、81.13%、52.94%;CRP有较好的敏感性(72.00%),但特异性在6个指标中最低(52.17%);PCT的敏感性、特异性、阳性预测值、阴性预测值和AUC均为最高,分别为85.33%、93.48%、95.52%、79.25%和0.89(95%CI:0.830.96)。结论感染性标志物可作为诊断血流感染的有效补充,有助于临床早期诊断。
引用
收藏
页码:522 / 524
页数:3
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