Table 4 Sensitivity and specificity of the "red urine" question
From: A national survey of the prevalence of schistosomiasis and soil transmitted helminths in Malaŵi
Answer to | Microscopy for S. haematobium | Totals | |
|---|---|---|---|
positive | negative | ||
Red urine? – yes | 90 | 289 | 379 |
Red urine? – no | 44 | 1142 | 1186 |
Totals | 134 | 1431 | 1565 |