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Prevalence of S. haematobium in the five study villages near Bouaké in central Côte d'Ivoire, stratified by age category between 2007 and 2009
| 2007 | 2009 | |||||
|---|---|---|---|---|---|---|
| Age category (in years) | n | p (%) | n | p (%) | χ 2 | P-value |
| ≤5 | 38 | 3 (7.9) | 36 | 1 (2.7) | ||
| 6–15 | 198 | 23 (11.6) | 140 | 4 (3.0) | ||
| >15 | 315 | 12 (3.8) | 183 | 3 (1.6) | ||
| Total | 551 | 38 (6.9) | 372 | 8 (2.2) | 7.40 | 0.006 |
n: number of individuals examined
p: number of individuals infected
%: prevalence
