Table 1

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

Number of samplesTotalSensitivity
(95% CI)
(95% CI)
κ Coefficient*
(95% CI)
HIV componentRef test +Ref test −99.1%99.4%0.89
 Dual test +1042106(94.8% to 100%)(97.7% to 99.9%)(0.85 to 0.94)
 Dual test −1308309
  • *Cohen's κ statistic was calculated to determine the concordance between the reference test and the test under evaluation.