Table 2

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

SensitivitySpecificityPositive predictive valueNegative predictive valueOR* (stratified by clinic)p Value
*Odds ratio.
†Opaque endocervical discharge.
‡Yellow endocervical discharge.
§Easily induced mucosal bleeding.
OP†0.400.810.110.963.0<0.0001
YE‡0.250.890.120.952.8<0.0001
BL§0.430.750.090.962.40.001
OP+YE0.160.960.190.954.9<0.0001
OP+BL0.170.940.140.953.2<0.0001
YE+BL0.110.960.140.953.10.01
OP+YE+BL0.050.980.140.953.00.07