Table 3

 Sensitivity and specificity (±95% confidence intervals) of the Qualpro Syphicheck test

Clinic: whole bloodLab: whole bloodLab: serum
Sensitivity % (95% CI)Specificity % (95% CI)Sensitivity % (95% CI)Specificity % (95% CI)Sensitivity % (95% CI)Specificity % (95% CI)
Tanzania78.6 (10.8)99.1 (0.8)85.4 (9.3)99.1 (0.8)87.3 (8.8)98.9 (0.9)
Brazil84.3 (10)99.6 (0.6)88.2 (8.9)99.6 (0.6)
China64 (10.0)99.7 (0.6)70.8 (9.4)99.7 (0.6)67.4 (9.7)98.8 (1.2)
Haiti80.5 (12.1)97.8 (1.3)97.6 (4.7)98.6 (1.0)97.6 (4.7)98.4 (1.1)