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Table 3 Individuals screened for epilepsy and prevalence of confirmed cases by gender, village and ethnic group

From: High prevalence of epilepsy in two rural onchocerciasis endemic villages in the Mahenge area, Tanzania, after 20 years of community directed treatment with ivermectin

Village

Population enrolled

Epilepsy cases (%) by sex

Total

Males (%)

Suspected epilepsy (%)

No. examined (%)

Epilepsy cases (%)

χ2-test (P-value)

Male

Female

χ2-test (P-value)

Matumbala

972

431(44.3)

44 (4.5)

44 (100)

16 (1.65) 1.26a

7 (1.62)

9 (1.66)

0.002 (0.962)

Vigoi

1646

741(45.0)

50 (3.04)

49 (98.0)

23 (1.40) 1.26a

0.26 (0.612)

12 (1.62)

11 (1.22)

0.482 (0.487)

Mdindo

941

447(47.5)

56 (5.9)

55 (98.2)

33 (3.51) 3.71a

6.63 (0.010)

17 (3.80)

16 (3.24)

0.221 (0.638)

Msogezi

1558

774(49.7)

94 (6.0)

91 (96.8)

55 (3.53)

7.79 (0.005)

26 (3.36)

29 (3.70)

0.407 (0.523)

Ethnic group

 Wapogoro

4751

 

234 (4.9)

 

119 (2.51)

    

 Wangoni

54

 

1 (1.9)

 

1 (1.85)

    

 Wahehe

42

 

2 (4.8)

 

2 (4.76)

    

 Wandamba

32

 

1 (3.1)

 

1(3.13)

    

 Wandendeule

17

 

2 (11.8)

 

2 (11.77)

    

 Wazigua

9

 

2 (22.2)

 

2 (22.21)

    

 Others

212

 

4 (0.9)

 

0 (0)

    

Total

5117

2393 (46.8)

244 (4.8)

239 (97.9)

127 (2.48)

 

61 (2.59)

66 (2.39)

0.132 (0.716)

  1. aEpilepsy prevalence ratio observed in 1989 survey by Rwiza et al. where Matumbala was part of Vigoi Village