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Table 1 Comparison of Amsel’s criteria with Nugent’s score as a gold standard for the diagnosis of BV

From: Comparative study of Amsel’s criteria and Nugent scoring for diagnosis of bacterial vaginosis in a tertiary care hospital, Nepal

Methods of diagnosis Nugent’s criteria Sensitivity
(%)
Specificity
(%)
PPV
(%)
NPV
(%)
Positive Negative Total
Amsel’s criteria Positive 14 2 16 50.0 98.2 87.5 88.8
Negative 14 111 125
Total 28 113 141