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外周血血小板/淋巴细胞比值联合糖链抗原125对上皮性卵巢癌的诊断价值

Journal of Chinese Practical Diagnosis and Therapy(2019)

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Abstract
目的 探讨外周血血小板/淋巴细胞比值(platelet/lymphocyte ratio,PLR)联合糖链抗原125(carbohydrate antigen 125,CA125)对上皮性卵巢癌的诊断价值.方法 上皮性卵巢癌患者80例为卵巢癌组,卵巢良性肿瘤患者100例为卵巢良性肿瘤组,比较2组PLR值和CA125水平,采用ROC曲线分析PLR、CA125及二者联合检测对上皮性卵巢癌的诊断价值.结果 卵巢癌组外周血血小板计数[(272.60±61.12)×109/L]、PLR值(175.47±54.86)、血清CA125[(417.50(178.00,693.50)u/mL]水平高于卵巢良性肿瘤组[(199.32±49.44)×109/L、116.43±38.84、18.50(12.00,36.75)u/mL],淋巴细胞计数[(1.63±0.34)×109/L]低于卵巢良性肿瘤组[(1.78±0.30)×109/L](P<0.05);以PLR=155.15为最佳截断值,PLR诊断上皮性卵巢癌的AUC为0.804(95%CI:0.738~0.870,P<0.001),灵敏度为67.5%,特异度为87.0%,准确度为78.3%;以CA125=42.5 u/mL为最佳截断值,CA125诊断上皮性卵巢癌的AUC为0.911(95%CI:0.862~0.959,P<0.001),灵敏度为77.5%,特异度为82.0%,准确度为80.0%;CA125与PLR联合检测诊断上皮性卵巢癌的的AUC为0.942(95%CI:0.906~0.978,P<0.001),灵敏度为90.0%,特异度为79.0%,准确度为83.9%;CA125与PLR联合检测诊断上皮性卵巢癌的灵敏度和准确度明显高于CA125单独检测和PLR单独检测(P<0.05),特异度低于CA125单独检测和PLR单独检测(P<0.05).结论 PLR是易获得的血清生物学标志物,PLR与CA125联合检测在上皮性卵巢癌的诊断方面具有良好的应用前景.
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