Table 2 Specificity, negative predictive value (NPV) of assays with serum specimen
Test (assay) | No. of HIV-1 negative samples | Negative serum results | False positive result | Specificity (%) | NPV (%) | P value |
|---|---|---|---|---|---|---|
First response HIV-1-2 kit | 140 | 116 | 24 | 82.86 | 82.86 | <0.001 |
ECLIA (reference) | 140 | 140 | 0 | 100 | 100 |