Table 2 Efficacy of praziquantel against S. haematobium with respect to gender and age in the Ikata-Likoko area of southwest Cameroon
Characteristic | Category | Prevalence on day 0 (n) (N = 174) | Prevalence on day 42 (n) (N = 130) | Mean egg load on day 0 (range) | Mean egg load on day 42 (range) | Z test P value | ERR (%) |
|---|---|---|---|---|---|---|---|
Sex | Male | 100 (84) | 10.0 (13) | 32 (1–400) | 12 (2–35) | 3.854 < 0.001 | 62.5 |
Female | 100 (90) | 12.3 (16) | 29 (1–300) | 3 (1–10) | 4.231 < 0.001 | 90.0 | |
Level of significance | χ 2 = 0.06, P = 0.80 | U = 1854.5, P = 0.109 | |||||
Age | < 5 | 100 (23) | 0.0 (0) | 38 (1–300) | 0.0 | 2.805 0.005 | 100 |
5–15 | 100 (54) | 9.2 (12) | 36 (1–200) | 6 (1–35) | 3.626 < 0.001 | 83.3 | |
> 15 | 100 (97) | 13.1 (17) | 24 (1–400) | 6 (1–35) | 3.847 < 0.001 | 75.0 | |
Level of significance | χ 2 = 15.55, P = 0.0004 | H = 2.03, P = 0.02 | |||||