TABLE 3.

Sensitivities and specificities of RPR test, MHA-TP, and IgG ELISA in comparison to results of FTA-Abs test for IgG

Syphilis stageaRPR testMHA-TPIgG ELISA
SensitivitybSpecificitycSensitivitySpecificitySensitivitySpecificity
PS23/25 (92)22/25 (88)25/25 (100)
SS25/25 (100)25/25 (100)25/25 (100)
LS174/179 (97.2)178/179 (99.4)179/179 (100)
PTS55/95 (57.9)88/95 (92.6)93/95 (97.9)
NHS95/107 (88.8)107/107 (100)107/107 (100)
  • a PS, primary syphilis; SS, secondary syphilis; LS, latent syphilis; PTS, past treated syphilis; NHS, no history of syphilis.

  • b The data represent the number of samples positive by the test/number of samples positive by the FTA-Abs test (percent).

  • c The data represent the number of samples negative by the test/number of samples negative by the FTA-Abs test (percent).