From: A multi-country comparative study of two treponemal tests for the serodiagnosis of syphilis amongst men who have sex with men (MSM): Chemo-luminescent assay vs Treponema pallidum particle agglutination assay
value
95% CI
Prevalence
24
22
26.7
Sensitivity
99.7
97.9
100
Specificity
99.5
98.8
99.8
ROC area
0.997
0.994
1
PPV
98.9
97.2
NPV
99.9