Table 2

Field performance for detection of Treponema pallidum antibodies using a dual HIV/syphilis test

Number of samplesTotalSensitivity
(95% CI)
(95% CI)
κ Coefficient*
(95% CI)
T. pallidum componentRef test +Ref test −89.2%98.8%0.98
Dual test +1493153(83.5% to 93.5%)(96.5% to 99.8%)(0.96 to 1.0)
Dual test −18243261
  • *Cohen's κ statistic was calculated to determine the concordance between the reference test and the test under evaluation.