Fig. 3
From: A decade of intestinal protozoan epidemiology among settled immigrants in Qatar
Age-prevalence profiles for male and females subjects. a combined protozoan infections; b G. duodenalis and c non-pathogenic amoebae. The sample sizes for male subjects in age classes 1–13 were n = 1040, 1360, 2129, 1419, 668, 344, 2594, 2509, 2061, 1428, 763, 466 and 210 respectively and for female subjects n = 827, 1113, 1762, 1350, 556, 433, 1374, 1412, 1203, 890, 720, 452 and 203 respectively