Table 2 Sensitivity and specificity (±95% confidence intervals) of the Omega Visitect test.

	Clinic: whole blood		Lab: whole blood		Lab: serum
	Sensitivity % (95% CI)	Specificity % (95% CI)	Sensitivity % (95% CI)	Specificity % (95% CI)	Sensitivity % (95% CI)	Specificity % (95% CI)
Tanzania	75 (11.2)	99.8 (0.4)	80.7 (10.2)	99.6 (0.6)	84.2 (9.5)	99.1 (0.9)
Brazil	96.1 (5.3)	98.5 (1.7)			96.1 (5.3)	98.4 (1.7)
China	73.5 (9.5)	99.7 (0.6)	77.9 (8.9)	100 (n = 362)	94 (5.1)	98.1 (1.4)
Haiti	72.7 (11.8)	99.1 (0.9)	98.2 (3.5)	98.7 (1.0)	98.2 (3.5)	98.7 (1.0)