Table 1. Sensitivity, specificity and predictive values of the reagent dipstick method for S haematobium in study participants when filtration results are considered reference test.

Urine filtration	Microhematuria
Positive	Positive	Negative	Total
	23	0	23
Negative	434	16002	16436
Total	457	16002	16459
Sensitivity of dipstick	100%
Specificity of dipstick	97.4%
Positive predictive value (PPV)	5.03%
Negative predictive value (NPV)	100%
Accuracy	97.4%