Sensitivity, specificity, positive and negative predictive values, and associations of the three visual indicators alone and in combinations, with chlamydial cervicitis, stratifying for the three clinic types
| Sensitivity | Specificity | Positive predictive value | Negative predictive value | OR* (stratified by clinic) | p Value | |
|---|---|---|---|---|---|---|
| *Odds ratio. | ||||||
| †Opaque endocervical discharge. | ||||||
| ‡Yellow endocervical discharge. | ||||||
| §Easily induced mucosal bleeding. | ||||||
| OP† | 0.40 | 0.81 | 0.11 | 0.96 | 3.0 | <0.0001 |
| YE‡ | 0.25 | 0.89 | 0.12 | 0.95 | 2.8 | <0.0001 |
| BL§ | 0.43 | 0.75 | 0.09 | 0.96 | 2.4 | 0.001 |
| OP+YE | 0.16 | 0.96 | 0.19 | 0.95 | 4.9 | <0.0001 |
| OP+BL | 0.17 | 0.94 | 0.14 | 0.95 | 3.2 | <0.0001 |
| YE+BL | 0.11 | 0.96 | 0.14 | 0.95 | 3.1 | 0.01 |
| OP+YE+BL | 0.05 | 0.98 | 0.14 | 0.95 | 3.0 | 0.07 |