Table 3 Comparative sensitivity and specificity of rapid HBsAg kit using HBsAg ELISA as gold standard
Test kit | Sensitivity | Specificity | PPV | NPV | Youden's index | Kappa test |
|---|---|---|---|---|---|---|
(95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (%) | |
Wondfo | 59.1(36.4 - 79.3) | 99.3(95.7 - 100.0) | 92.9(66.1 - 99.8) | 93.4(87.8 - 96.9) | 58.3(32.1 - 79.3) | 68.7 |
Accul-Tell | 54.5(32.2 - 75.6) | 99.2(95.7 - 100) | 92.3(64.0 - 99.8) | 92.7(87.0 - 96.4) | 53.8(27.9 - 75.6) | 64.7 |
Care Rapid | 54.5(32.2 - 75.6) | 99.3(95.7 - 100) | 92.3(64–99.8) | 92.7(87.0 - 96.4) | 53.8(27.9 - 75.6) | 64.7 |
Core Tm | 50(28.2 - 71.8) | 98.4(94.5 - 99.8) | 84.6(54.5 - 98.1) | 92.0(86.1 - 95.9) | 48.4(22.7 - 71.6) | 58.3 |
Abon | 50(28–71.8 | 99.2(95.7 - 100) | 91.7(61.5 - 99.8) | 92.0(86.2 - 96.0) | 49.2(23.9 - 71.8) | 60.6 |