Skip to main content

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%

From: Identifying optimal threshold statistics for elimination of hookworm using a stochastic simulation model

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