Table 2 Impact of sensitivity of diagnostics on PPV and NPV values. Rows represent different numbers of independent McMaster test done on each individual in the sample. Baseline prevalence range 5–40%
Number of samples | Threshold quality (PPV / NPV) | |||
|---|---|---|---|---|
0.5% | 1% | 2% | 5% | |
1 | 0.97/0.96 | 0.91/0.99 | 0.81/1 | 0.65/1 |
2 | 0.99/0.91 | 0.97/0.98 | 0.88/1 | 0.74/1 |
3 | 0.99/0.87 | 0.97/0.95 | 0.87/1 | 0.72/1 |
4 | 1/0.87 | 0.98/0.95 | 0.88/1 | 0.73/1 |