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作 者:焦瑾[1] 王茂水[1] 吴艳华[1] 王新锋[1]
出 处:《山东大学学报(医学版)》2014年第11期65-67,72,共4页Journal of Shandong University:Health Sciences
基 金:山东省医药卫生科技发展计划(2011HZ085);济南市科技发展计划(201303043)
摘 要:目的:探讨ALS试验(TB-SA抗体)在结核性胸膜炎辅助诊断中的应用价值。方法选取初治结核性胸膜炎患者(结核组)55例和健康体检者(对照组)45例,采用ELISA法测定淋巴细胞分泌液中结核抗体的含量。采用Mann-Whitney U检验比较两组之间 TB-SA 抗体的差异,绘制受试者工作特征(ROC )曲线评价 ALS 试验(TB-SA抗体)对结核性胸膜炎诊断的敏感性。结果结核组TB-SA抗体的浓度显著高于正常组(P<0.01)。根据两组数据绘制受试者工作特征曲线(ROC曲线),曲线下面积为0.900(95%CI:0.824~0.951),截断点为0.04,敏感性和特异性分别为77.8%和92.7%,阳性似然比和阴性似然比分别为10.69和0.24。结论 ALS(TB-SA抗体)试验在结核性胸膜炎的诊断中具有一定的价值。Objective To investigate the diagnostic value of the ALS assay (TB-SA antibody)in the tuberculous pleu-risy.Methods 55 patients diagnosed as tuberculous pleurisy (TPE group)and 45 healthy persons (healthy group) were enrolled.The levels of TB-SA antibody from lymphocyte secretion were detected by ELISA assay.Mann-Whitney U test was used to compare the levels of TB-SA antibody between the two groups.Receiver operating characteristic (ROC)analysis was performed to analyze the sensitivity of ALS assay (TB-SA antibody)in diagnosis of tuberculous pleurisy.Results The mean concetration of TB-SA antibody from lymphocyte secretion in TPE group was significantly higher than that in healthy group (P〈0.01).The area under the curve,best cutoff point,sensitivity,specificity,posi-tive likehood ratio and negtive likehood ratio of the ALS assay (TB-SA)were 0.900 (95%CI:0.824-0.95 1 ),0.04, 77.8%,92.7%,10.69 and 0.24,respectively.Conclusion ALS (TB-SA antibody)assay performs well in the di-agnosis of tuberculous pleurisy.
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