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结核抗体法与结核杆菌T细胞斑点检测法用于疑似肺结核免疫学诊断价值比较

Chinese Journal of Primary Medicine and Pharmacy(2017)

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Abstract
目的 比较结核抗体法(TB-Ab)与结核杆菌T细胞斑点检测法(T-SPOT.TB)用于疑似肺结核免疫学诊断价值.方法 回顾性分析166例疑似肺结核患者的T-SPOT.TB与TB-Ab检测资料,比较两种检测方法用于疑似肺结核的诊断阳性率、敏感性、特异性、阳性预测值及阴性预测值.结果 T-SPOT.TB用于疑似肺结核的诊断阳性率(57.83%)显著高于TB-Ab(43.37%),差异有统计学意义(x2=8.75,P=0.00);T-SPOT.TB法用于疑似肺结核的诊断敏感性(97.73%)、特异性(87.18%)、阳性预测值(89.58%)及阴性预测值(97.14%)均显著高于TB-Ab法(65.91%、82.05%、80.56%、68.09%),差异有统计学意义(x2=10.34、8.04、8.37、12.67,P=0.00,0.01,0.00,0.00).结论 T-SPOT.TB用于疑似肺结核患者免疫学诊断可有效提高阳性率,改善结果真实性评价指标,价值优于TB-Ab.
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Key words
Mycobacterium tuberculosis
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