Diagnosis of secondary syphilis made on the basis of suspected skin or mucosal findings plus an RPR titer of ≥1:8 versus the result of the T. pallidum real-time PCRa

T. pallidum real-time PCR resultNo. of samples with the following result for secondary syphilis:
  • a The data are for a total of 133 cases. The sensitivity of the T. pallidum real-time PCR was 43.0%, and the specificity was 98.0%. The kappa value was 0.372, which indicates slight agreement between the results of the two tests.