结核感染T细胞酶联免疫斑点试验与结核抗体试验在诊断骨关节结核中的临床应用价值

目的 探讨与分析结核感染T细胞酶联免疫斑点试验(T-SPOT.TB)与结核抗体试验在诊断骨关节结核中的临床应用价值。方法 选取2012年1月～2014年12月在无锡锡山人民医院接受诊治的324例疑似骨关节结核病患者为研究对象,采取随机方法将入选者分为T-SPOT.TB试验组和结核抗体试验组,每组162人,T-SPOT.TB试验组患者采取结核感染T细胞酶联免疫斑点试验,结核抗体试验组则采取结核抗体试验,对比分析两组诊断方式的灵敏度与特异度。结果 T-SPOT.TB试验组的灵敏度和特异度分别为93.43%和84.00%,结核抗体试验组的灵敏度和特异度分别为40.44%和53.85%,组间相比差异有统计学显著性意义(χ²=184.62,P＜0.05; χ²=7.86,P＜0.05)。T-SPOT.TB试验组的假阳性率、假阴性率分别为16.00%和6.57%,结核抗体试验组的假阳性率、假阴性率分别为26.92%和59.56%,组间相比差异有统计学显著性意义(χ²=7.86,156.18,均P＜0.05)。此外, T-SPOT.TB试验组的阳性预测值和阴性预测值分别为96.97%和70.00%,结核抗体试验组的阳性预测值和阴性预测值分别为88.71%和14.74%,组间相比差异有统计学显著性意义(χ²=20.27,73.06,均P＜0.01)。结论 与结核抗体试验相比,结核感染T细胞酶联免疫斑点试验在诊断骨关节结核时具有灵敏度高、特异度高等特点,值得推广使用。

Clinical Value of Tuberculosis Infection T Cell ELISPOT and TB Antibody Test in Experimental Tuberculosis of Bones and Joints

Objective To analyze and discuss the clinical value of tuberculosis infection T cell ELISPOT testand tuberculosis antibody test used in bone and joint tuberculosis.Methods The patients with suspected bone and joint TB diagnosed andtreated in Xishan people's Hospital of Wuxi City from 2012 to 2014 were selectedas the objects of this study.They were taken randomly,which divided into T-SPOT.TB test group and tuberculosis antibody test groups.Each group had 162 persons.The patients of T-SPOT.TB test group were tested by tuberculosis infection T cell enzyme-linked immunosorbent spot test,tuberculosis antibody test group were taken tuberculosis antibody test,comparative analysis of the sensitivity and specificity of two diagnostic methods were contrastively analyzed.Results The sensitivity and specificity of T-SPOT.TB test group were 93.43% and 84.00%.The sensitivity and specificity of tuberculosis antibody in the experimental group were 40.44% and 53.85%.There was statistical difference between two groups(χ²=184.62,7.86,all P＜0.05).Thefalse positive rate and the false negative rate of T-SPOT.TB test group were16.00% and 6.57%.The false positive rate and the false negative rate of tuberculosis antibodies in the experimental group were 26.92% and 59.56%,respectively.There was statistical difference between two groups(χ²=7.86,156.18,all P＜0.05).In addition,the positive and negative predictive values of T-SPOT.TB test group were 96.97% and 70.00%.Positive and negativepredictive values of tuberculosis antibody in the experimental group were 88.71% and 14.74%.There was statistical difference between two groups(χ²= 20.27,73.06,all P＜0.01).Conclusion Comparedto experimental tuberculosis antibody,TB infection of T cells ELISPOT test hadhighsensitivity and specificity in the diagnosis of bone and joint tuberculosis.It's worthy of spreading.