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Diagnosis of cervical infections.
| Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | |
|---|---|---|---|---|
| History of vaginal discharge | 67.9 | 36.9 | 27.2 | 76.8 |
| History + speculum-abnormal vaginal discharge, cervical discharge/friability/ectopy, and cervical motion/adnexal tenderness | 83.5 | 21.4 | 27.3 | 78.6 |
| History + speculum + simple laboratory tests: Presence of Gram −ve intracellular diplococci, >10 pus cells per HPF in endocervical discharge | 85.3 | 18.8 | 27.1 | 78.4 |
