Table 2.
Performance of FSWs' vaginal discharge flowchart against gold standard laboratory tests.
| Pathogen | No. of infected based on laboratory tests | No. of correctly diagnosed by flowchart | Sensitivity (%) | Specificity (%) | Positive predictive value (%) | Negative predictive value (%) |
|---|---|---|---|---|---|---|
| Neisseria gonorrhoeae | 59 | 40 | 67.8 | 43.0 | 16.4 | 89.0 |
| Chlamydia trachomatis | 67 | 46 | 68.7 | 43.4 | 18.9 | 87.9 |
| Cervical infections (GC/CT) | 109 | 76 | 69.7 | 45.5 | 31.2 | 80.9 |
| Bacterial vaginosis | 281 | 168 | 59.8 | 35.7 | 69.4 | 26.6 |
| Trichomonas vaginalis | 124 | 78 | 62.9 | 43.6 | 33.5 | 72.3 |
| Candida spp. | 85 | 62 | 72.9 | 42.6 | 25.4 | 85.4 |
| Vaginal infections (BV/TV/Can) | 308 | 188 | 61.0 | 41.9 | 81.4 | 20.5 |