Table 4.

Number of patients who would have been diagnosed as having syphilis, being BFP, or being false negative based only on nontreponemal and treponemal test results

TestNo. of patients with the indicated result in the following test:
RPRNR (missed)dRGNaNR (missed)
RR
SyphilisbBFPcSyphilisBFP
MHA-TP2422712251333
TP-PA2422715250347
Syphilis-G2422715252315
  • a RGN, Reagin II test.

  • b Diagnosed as having syphilis based on reactive nontreponemal and treponemal test results.

  • c Diagnosed as BFP based on reactive nontreponemal test result and nonreactive treponemal test result.

  • d Diagnosed as not having syphilis based on nonreactive nontreponemal test, but the treponemal test was reactive, indicating either past or present syphilis.