Table 1.

Sensitivity and specificity of the TP-PA test by category of documented serum samples

DiagnosisNo. of serum samplesTP-PA test
% Sensitivity% Specificity
Primary syphilis
 Untreated989
 Treated1587
Secondary syphilis
 Untreated20100
 Treated30100
Latent syphilis
 Untreated6100
 Treated2095
DOTS10096
BFP5094