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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