Table 3 Sensitivity, Specificity, Positive Predictive Value and Negative Predictive Value of the Risk Score and Gynecological Examination Data for Diagnosing Cervicitis by Chlamydia Trachomatis and/or Neisseria Gonorrhoeae.
Variables | Sensitivity % (95% CIa) | Specificity % (95% CI) | PPVb % (95% CI) | NPVc % (95% CI) |
|---|---|---|---|---|
Risk score | 31.9 (21.2–44.2) | 76.5 (71.7–80.8) | 20.8 (13.5–29.7) | 85.4 (81.0–89.0) |
Pain upon bimanual maneuver | 36.2 (25.6–48.7) | 80.2 (75.6–84.2) | 26.0 (17.6–36.0) | 86.7 (82.6–90.2) |
Ectopia | 30.4 (19.9–42.8) | 75.1 (70.3–79.5) | 19.1 (12.2–27.7) | 84.9 (80.5–88.6) |
Friability | 43.5 (31.5–56.0) | 81.0 (76.6–84.9) | 30.6 (21.7–40.7) | 88.2 (84.2–91.5) |
Mucopurulent discharge | 15.9 (8.2–26.7) | 92.2 (88.9–94.8) | 28.2 (15.0–44.9) | 85.1 (81.1–88.4) |