Table 3 The prevalence, intensity and reduction of S. haematobium infections in children from three schools in Al Salamania in Central Sudan at baseline and 1 year post treatment, relative to age
Variable | Total | Age < 10 years | Age ≥ 10 years | P |
|---|---|---|---|---|
Base line | ||||
Children examined, n (%) | 562 (100) | 275 (49.0) | 287 (51.0) | |
Prevalence,% (95% CI) | 51.4 (47.3─55.5) | 58.2 (52.2─64.0) | 44.9 (39.3─50.7) | 0.001 |
Intensity, (95% CI) | 87.7(87.2─88.1) | 92.5 (91.8─93.1) | 82.8 (82.1─83.4) | <0.001 |
One year post treatment | ||||
Children examined, n (%) | 420 (100) | 205 (49.0) | 215 (51.0) | |
Prevalence,% (95% CI) | 8.6 (6.2─11.5) | 9.8 (6.2─4.4) | 7.4(4.4─11.6) | 0.397 |
Intensity, (95% CI) | 72.8 (71.5─74.1) | 74.4 (72.6─76.2) | 71.2 (69.3─73.1) | 0.014 |
Reduction in the prevalence,% (95% CI) | 83.3 (73.0─89.7) | 83.3(74.3─90.0) | 83.5(73.4-90.6) | 0.096 |
Reduction in the intensity, (95% CI) | 17.0 (10.8─24.0) | 19.6(13.7─27.8) | 14.0 (8.6─21.1) | 0.327 |