Table 2 Cutoff values for predicting HIV infection and corresponding diagnostic indicators in HIV screening positive samples
From: Using signal-to-cutoff ratios of HIV screening assay to predict HIV infection
Cutoff value | Sensitivity(%) | Specificity(%) | Positive predictive value (%) | Negative predictive value (%) |
|---|---|---|---|---|
>1.035 | 100.00 | 1.62 | 77.48 | 100.00 |
>14.09* | 93.78 | 93.12 | 97.88 | 81.56 |
>26.25 | 90.67 | 95.55 | 99.00 | 75.16 |
>285.7 | 51.20 | 99.19 | 99.50 | 37.52 |
>354.5 | 42.94 | 100.00 | 100.00 | 34.12 |