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Prevalence of S. haematobium infection by microscopy and PCR of subjects examined by age
| Age group (years) | No. Examined by microscopy | No. (%) positive by microscopy | No. Examined by PCR | No. (%) positive by PCR | χ2 | p-value |
|---|---|---|---|---|---|---|
| 5–8 | 248 | 9 (3.6) | 46 | 22 (47.8) | 8.106 | 0.044 |
| 9–12 | 339 | 3 (0.9) | 58 | 18 (31.0) | ||
| 13–16 | 116 | 1 (0.9) | 13 | 2 (15.4) | ||
| 17–20 | 74 | 0 (0.0) | 4 | 0 (0.0) | ||
| Total | 777 | 13 (1.7) | 121 | 42 (34.7) |
