Table 1 Accuracy of algorithms for detection of cervical infection in rural Haiti.
| Algorithm | SN | SP | PVP | PVN | Percentage positive |
|---|---|---|---|---|---|
| Haiti MSPP algorithm for vaginal discharge (n = 944) | 16.1% | 93.8% | 17.2% | 93.3% | 9.1 |
| Haiti MSPP algorithm for vaginal discharge or lower abdominal pain (n = 944) | 16.9% | 93.7% | 17.7% | 93.4% | 9.4 |
| WHO algorithm for vaginal discharge (n = 939) | 35.0% | 63.6% | 7.1% | 92.4% | 36.0 |
| WHO algorithm for vaginal discharge (speculum and bimanual exam) (n = 939) | 38.6% | 58.6% | 6.9% | 92.3% | 40.6 |
| WHO algorithm for vaginal discharge (speculum and microscope) (n = 944) | 68.1% | 31.0% | 7.3% | 92.4% | 68.8 |
| Risk assessment algorithm developed in rural Haiti (n = 924) | 96.7% | 15.3% | 8.4% | 98.3% | 88.2 |
SN, sensitivity; SP, specificity; PVP, predictive value positive; PVN, predictive value negative.