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Table 1 Frequency of G6PD genotypes in malaria patients from 17 centres in six African countries

From: Frequency of glucose-6-phosphate dehydrogenase deficiency in malaria patients from six African countries enrolled in two randomized anti-malarial clinical trials

Country

Centre

Male N

A-

A

B

Female N

A-A-

AA-

BA-

AA

BB

BA

HW* p

BF

Bobo-Dioulasso

1

0

1 (100)

0

4

0

0

2 (50.0)

0

1 (25.0)

1 (25.0)

NC

 

Ouagadougou

174

27 (15.5)

48 (27.6)

99 (56.9)

178

6 (3.4)

15 (8.4)

33 (18.5)

18 (10.1)

54 (30.3)

52 (29.2)

0.742

 

Total

175

27 (15.4)

49 (28.0)

99 (56.6)

182

6 (3.3)

15 (8.2)

35 (19.2)

18 (9.9)

55 (30.2)

53 (29.1)

0.771

Ghana

Kintampo

92

16 (17.4)

52 (56.5)

24 (26.1)

87

8 (9.2)

10 (11.5)

21 (24.1)

9 (10.3)

22 (25.3)

17 (19.5)

0.003

 

Kumasi

19

2 (10.5)

4 (21.1)

13 (68.4)

38

1 (2.6)

1 (2.6)

5 (13.2)

6 (15.8)

13 (34.2)

12 (31.6)

0.019

 

Total

111

18 (16.2)

28 (25.2)

65 (58.6)

125

9 (7.2)

11 (8.8)

26 (20.8)

15 (12.0)

35 (28.0)

29 (23.2)

0.001

Kenya

Eldoret

77

15 (19.5)

22 (28.6)

40 (51.9)

72

2 (2.8)

2 (2.8)

10 (13.9)

1 (1.4)

42 (58.3)

15 (20.8)

< 0.001

 

Kilifi

41

8 (19.5)

10 (24.4)

23 (56.1)

33

2 (6.1)

3 (9.1)

8 (24.2)

1 (3.0)

10 (30.3)

9 (27.3)

0.961

 

Pingilikani

39

5 (12.8)

7 (17.9)

27 (69.2)

31

1 (3.2)

7 (22.6)

5 (16.1)

1 (3.2)

11 (35.5)

6 (19.4)

< 0.001

 

Total

157

28 (17.8)

39 (24.8)

90 (57.3)

136

5 (3.7)

12 (8.8)

23 (16.9)

3 (2.2)

63 (46.3)

30 (22.1)

0.016

Mali

Doneguebougou

114

10 (8.8)

41 (36.0)

63 (55.3)

102

2 (2.0)

4 (3.9)

20 (19.6)

14 (13.7)

39 (38.2)

23 (22.5)

< 0.001

 

Banambani

48

7 (14.6)

13 (27.1)

28 (58.3)

44

1 (2.3)

1 (2.3)

7 (15.9)

2 (4.5)

23 (52.3)

10 (22.7)

0.176

 

Total

162

17 (10.5)

54 (33.3)

91 (56.2)

146

3 (2.1)

5 (3.4)

27 (18.5)

16 (11.0)

62 (42.5)

33 (22.6)

< 0.001

Nigeria

Calabar

76

11 (14.5)

11 (14.5)

54 (71.1)

69

0

7 (10.1)

13 (18.8)

5 (7.2)

33 (47.8)

11 (15.9)

0.005

 

Enugu

121

17 (14.1)

32 (26.4)

72 (59.5)

98

5 (5.1)

11 (11.2)

23 (23.5)

1 (1.0)

41 (41.8)

17 (17.3)

0.001

 

Ibadan

26

2 (7.7)

2 (7.7)

22 (84.6)

30

0

3 (10.0)

4 (13.3)

3 (10.0)

15 (50.0)

5 (16.7)

< 0.001

 

Ile Ife

49

7 (14.3)

14 (28.6)

28 (57.1)

57

5 (8.8)

4 (7.0)

14 (24.6)

4 (7.0)

20 (35.1)

10 (17.5)

0.002

 

Jos

11

0

4 (36.4)

7 (63.6)

10

0

2 (20.0)

1 (10.0)

3 (30.0)

2 (20.0)

2 (20.0)

NC

 

Total

283

37 (13.1)

63 (22.3)

183 (64.7)

264

10 (3.8)

27 (10.2)

55 (20.8)

16 (6.1)

111 (42.0)

45 (17.0)

< 0.001

Tanzania

Bagamoyo

19

4 (21.1)

4 (21.1)

11 (57.9)

23

0

0

0

5 (21.7)

13 (56.5)

5 (21.7)

< 0.001

 

Kiwangwa

111

16 (14.4)

18 (16.2)

77 (69.4)

151

4 (2.6)

11 (7.3)

26 (17.2)

3 (2.0)

60 (39.7)

47 (31.1)

0.063

 

Total

130

20 (15.4)

22 (16.9)

88 (67.7)

174

4 (2.3)

11 (6.3)

26 (14.9)

8 (4.6)

73 (42.0)

52 (29.9)

0.094

Total

 

1018

147 (14.4)

283 (27.8)

588 (57.8)

1027

37 (3.6)

81 (7.9)

192 (18.7)

76 (7.4)

399 (38.8)

242 (23.5)

< 0.001

  1. Data shown as n (%) BF, Burkina Faso; NC, not calculated. G6PD genotype: male hemizygous = A-; male normal = A or B; female homozygous = A-/A-; female heterozygous = A/A- or B/A-; and female normal = A/A, B/B or B/A
  2. *p values < 0.05 indicate significant differences from predicted G6PD gene frequencies in females based on male gene frequencies for A-, A and B alleles using the Hardy-Weinberg equation (Chi-squared)