Table 2 |
||
|
Predictive accuracy of a model of hookworm prevalence in Africa*. |
||
| Validation statistic |
Prevalence threshold |
|
|
|
||
| 5% |
50% |
|
|
|
||
| AUC |
0.76 |
0.70 |
| Optimal threshold |
0.31 |
0.36 |
| Sensitivity (%) |
78.6 |
67.7 |
| Specificity (%) |
79.7 |
68.5 |
| PPV (%) |
88.7 |
50.8 |
| NPV (%) |
68.9 |
81.5 |
|
|
||
|
*Validation statistics including area under the curve (AUC), optimal prediction threshold and sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) at the optimal prediction threshold are presented for observed prevalence thresholds of 5% and 50%. |
||
|
Brooker et al. Malaria Journal 2006 5:99 doi:10.1186/1475-2875-5-99 |
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