Table 4 Efficacy of praziquantel against S. haematobium on day 42 post-treatment with respect to initial infection intensity in the Ikata-Likoko area of southwest Cameroon
Characteristic | Category | Prevalence day 0 (n) (N = 174) | Prevalence day 42 (n) (N = 130) | Mean egg load on day 0 (range) | Mean egg load on day 42 (range) | Z test P value | ERR (%) |
|---|---|---|---|---|---|---|---|
Infection intensity | Light ≤ 50 eggs/10 mL | 100 (155) | 20.8 (27) | 15.53 (1–50) | 6.15(1–35) | 5.33 < 0.001 | 60.4 |
Heavy > 50 eggs/10 mL | 100 (19) | 1.6 (2) | 153.58 (56–400) | 6.00(4–8) | 2.03 0.04 | 96.1 | |
Level of significance | V = 0.3, P < 0.0001 | U = 4.32, P = 0.13 | |||||
Overall | 100 (174) | 22.3(29) | 31 (1–400) | 6 (1–35) | 5.73 < 0.001 | 80.3 | |