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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)

From: Differential Plasmodium falciparum infection of Anopheles gambiae s.s. molecular and chromosomal forms in Mali

Inversion No. Positive / No. Screened (% Positive)
Kela Sidarebougou Total
32 / 215 (14.9%) 27 / 179 (15.1%) 59 / 335 (15.0%)
2La Inversion
Standard 0 / 0 (0%) 0 / 0 (0%) 0 / 0 (0%)
Heterozygous 1 / 2 (50%) 1 / 14 (7.1%) 2/ 16 (12.5%)
Inversion 31 / 213 (14.6% 26 / 165 (15.8%) 57 / 378 (15.1%)
Statistic NAa NA X2 = 0.080; df = 1;
P = 0.777
2Rb Inversion
Standard 8 / 83 (9.6%) 1 / 9 (11.1%) 9 / 92 (9.8%)
Heterozygous 14 / 90 (15.6%) 7 / 47 (14.9%) 21 / 137 (15.3%)
Inversion 10 / 42 (23.8%) 19 / 123 (15.4%) 29 / 165 (17.6%)
Statistic 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
Standard 11 / 46 (23.9%) 19 / 139 (13.7%) 30 / 185 (16.2%)
Heterozygous 9 / 46 (19.6%) 5 / 30 (16.7%) 14 / 76 (18.4%)
Inversion 12 / 123 (9.8%) 3 / 10 (30.0%) 15 / 133 (11.3%)
Statistic 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
Standard 31 / 210 (14.8%) 24 / 166 (14.5%) 55 / 376 (14.6%)
Heterozygous 1 / 5 (20.0%) 3 / 12 (25.0%) 4 / 17 (23.5%)
Inversion 0 / 0 (0%) 0 / 1 (0.0%) 0 / 1 (0.0%)
Statistic NA X2 = 0.967; df = 1;
P = 0.326
X2 = 1.01; df = 1;
P = 0.315
2Rj Inversion
Standard 20 / 93(21.5%) 27 / 176 (15.3%) 47 / 269 (17.5%)
Heterozygous 0 / 0 (0.0%) 0 / 1 (0%) 0 / 1 (0.0%)
Inversion 12 / 122 (9.8%) 0 / 2 (0%) 12 / 124 (9.7%)
Statistic X2 = 5.67; df = 1;
P = 0.017
NA X2 = 4.04; df = 1;
P = 0.044
2Ru Inversion
Standard 9 / 40 (22.5%) 24 / 153 (15.7%) 33 / 193 (17.1%)
Heterozygous 12 / 52 (23.1%) 3 / 24 (12.5%) 15 / 76 (19.7%)
Inversion 11 / 123 (8.9%) 0 / 2 (0%) 11 / 125 (8.8%)
Statistic X2 = 8.01; df = 2;
P = 0.018
X2 = 0.163; df = 1;
P = 0.686
X2 = 5.78; df = 2;
P = 0.056
  1. a No calculations were conducted because sample size was too small (n < 5).