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Table 2 Effect of anthelminthic treatment on the prevalence (%) and mean egg count of intestinal helminths among 403 school-age children in Tikur Wuha Elementary School, northwestern Ethiopia, 2011

From: Effect of anthelminthic treatment on helminth infection and related anaemia among school-age children in northwestern Ethiopia

Helminth species Before treatment (n = 403) After treatment (n = 235) Percent reduction
Prevalence MEPGa Prevalence MEPGa Prevalence MEPGa
Hookworm 46.9 89.8 7.2 14.8 84.7 83.5
S. mansoni 24.6 17.8 5.5 3.3 77.6 81.5
A. lumbricoides 4.2 50.9 0.8 12.6 81.0 75.2
T. trichiura 1.7 11.0 0.8 3.1 52.9 71.8
Any helminth 58.3   13.6   76.7  
  1. MEPGa = mean egg per gram
  2. Note: All percent reduction values are significant at p = 0.01 except MEPG reductions in A. lumbricoides and T. trichiura