Participant interpretation of sample test results, by site.^a

aFive positive samples and 6 invalid were missing interpretation results and excluded from analysis. bP-value comparing incorrect interpretation between known HIV-positive participants and others was <0.001. cP-value comparing incorrect interpretation between known HIV-positive participants and others was 0.023.a. 5份阳性样本与6份无效样本因未获得解读结果，被排除于本次分析之外。 b. 对比已知HIV阳性受试者与其他受试者的解读错误率所得的P值小于0.001。 c. 对比已知HIV阳性受试者与其他受试者的解读错误率所得的P值为0.023。