Table 4 Prevalence and diagnostic performance observed at Guatemala Site 2
Parameter | Chlamydia | Gonorrhoea | Trichomoniasis |
|---|---|---|---|
Prevalence | 7.6% | 1.0% | 8.0% |
Sensitivity (CI) | 84.6% (71.9–93.1) | 100% (59.0-100) | 60.0% (45.2–73.6) |
Specificity (CI) | 99.0% (97.9–99.7) | 100% (99.5–100) | 100% (99.4–100) |
Change to pooled estimates: | |||
Sensitivity (CI) | 83.6% (72.8–90.6) | 90.9% (85.7–94.4) | 64.0% (58.9–68.9) |
Specificity (CI) | 98.3% (96.9–99.1) | 99.6% (98.1–99.9) | 99.6% (97.5–100) |
Likelihood Ratio + (CI) | 48.7 (27.8–85.5) | 240.3 (47.6-1214.8) | 176.6 (25.5–1224.0) |
Likelihood Ratio - (CI) | 0.17 (0.10–0.29) | 0.09 (0.06–0.15) | 0.36 (0.31–0.42) |