Table 3 Chromosomal inversions in Anopheles gambiae s.s. were not significantly associated with P. falciparum CSP positivity in October 2009 after the Bonferroni correction ( P < 0.003)

2La Inversion

0 / 0 (0%)

0 / 0 (0%)

0 / 0 (0%)

1 / 2 (50%)

1 / 14 (7.1%)

2/ 16 (12.5%)

31 / 213 (14.6%

26 / 165 (15.8%)

57 / 378 (15.1%)

NA^a

NA

X² = 0.080; df = 1;

P = 0.777

2Rb Inversion

8 / 83 (9.6%)

1 / 9 (11.1%)

9 / 92 (9.8%)

14 / 90 (15.6%)

7 / 47 (14.9%)

21 / 137 (15.3%)

10 / 42 (23.8%)

19 / 123 (15.4%)

29 / 165 (17.6%)

X² = 4.48; df = 2;

P = 0.107

X² = 0.125; df = 2;

P = 0.939

X² = 2.84; df = 2;

P = 0.242

2Rc Inversion

11 / 46 (23.9%)

19 / 139 (13.7%)

30 / 185 (16.2%)

9 / 46 (19.6%)

5 / 30 (16.7%)

14 / 76 (18.4%)

12 / 123 (9.8%)

3 / 10 (30.0%)

15 / 133 (11.3%)

X² = 6.31; df = 2;

P = 0.043

X² = 2.01; df = 2;

P = 0.366

X² = 2.36; df = 2;

P = 0.307

2Rd Inversion

31 / 210 (14.8%)

24 / 166 (14.5%)

55 / 376 (14.6%)

1 / 5 (20.0%)

3 / 12 (25.0%)

4 / 17 (23.5%)

0 / 0 (0%)

0 / 1 (0.0%)

0 / 1 (0.0%)

NA

X² = 0.967; df = 1;

P = 0.326

X² = 1.01; df = 1;

P = 0.315

2Rj Inversion

20 / 93(21.5%)

27 / 176 (15.3%)

47 / 269 (17.5%)

0 / 0 (0.0%)

0 / 1 (0%)

0 / 1 (0.0%)

12 / 122 (9.8%)

0 / 2 (0%)

12 / 124 (9.7%)

X² = 5.67; df = 1;

P = 0.017

NA

X² = 4.04; df = 1;

P = 0.044

2Ru Inversion

9 / 40 (22.5%)

24 / 153 (15.7%)

33 / 193 (17.1%)

12 / 52 (23.1%)

3 / 24 (12.5%)

15 / 76 (19.7%)

11 / 123 (8.9%)

0 / 2 (0%)

11 / 125 (8.8%)

X² = 8.01; df = 2;

P = 0.018

X² = 0.163; df = 1;

P = 0.686

X² = 5.78; df = 2;

P = 0.056