Table 4 Sensitivity and specificity of self-reported passing of red urine as a predictor for S. haematobium infection among students
| Â | Â | Microscopy for S. haematobium | Total | |
|---|---|---|---|---|
Positive | Negative | |||
Red urine | +ve | 140 (25.7%) | 194 (11.0%) | 334 (14.5%) |
-ve | 405 (74.3%) | 1563 (89.0%) | 1968 (85.5%) | |
| Â | Total | 545 (100.0%) | 1757 (100.0%) | 2302 (100.0%) |