Table 2. Sensitivity, specificity, negative and positive predictive values of the DiaMed IT-LEISH and the Signal KA for VL diagnosis in Kacheliba and Kimalel, Rift Valley province, Kenya.

	Index test result	VL case	Non-VL case	Sensitivity	Specificity	PPV	NPV
		(N total = 131)	(N total = 88)	% [95% CI]	% [95% CI]	% [95% CI]	% [95% CI]
Individual tests
DiaMed IT Leish	Positive	117	9	89.3	89.8	92.9	84.9
				[82.7 to 94.0]	[81.5 to 95.2]	[86.9 to 96.7]	[76.0 to 91.5]
	Negative	14	79
Signal KA	Positive	101	4	77.1	95.5	96.2	73.7
				[68.9 to 84.0]	[88.7 to 98.7]	[90.5 to 98.9]	[64.6 to 81.5]
	Negative	30	84

Abbreviations: PPV = positive predictive value, NPV = negative predictive value, CI = Confidence Interval.