| Dogon | Fulani |  | ||
---|---|---|---|---|---|
(n = 375, 52.7%) | (n = 337, 47.3%) | P-value | |||
N (median) | % (range) | N (median) | % (range) | ||
Baseline characteristics | |||||
Age in months | (192) | (24 – 744) | (168) | (24 – 900) | 0.25 |
Age groups (years) | Â | Â | Â | Â | 0.31 |
 0-4 | 50 | 13.3 | 50 | 14.8 |  |
 5-9 | 63 | 16.8 | 60 | 17.8 |  |
 10-15 | 70 | 18.7 | 77 | 22.8 |  |
 >15 | 192 | 51.2 | 150 | 44.5 |  |
Male | 174 | 46.4 | 160 | 47.5 | 0.84 |
Wet Season | 298 | 79.5 | 259 | 76.9 | 0.45 |
Genetics | Â | Â | Â | Â | Â |
Blood Group | Â | Â | Â | Â | 0.003* |
 O | 161 | 44.7 | 183 | 55.6 |  |
 B | 108 | 30.0 | 62 | 18.8 |  |
 AB | 22 | 6.1 | 15 | 4.6 |  |
 A | 69 | 19.2 | 69 | 21.0 |  |
HbS | Â | Â | Â | Â | 0.62* |
 AA genotype | 358 | 97.0 | 327 | 97.9 |  |
 AS genotype | 11 | 3.0 | 7 | 2.1 |  |
HbC |  |  |  |  | < 10-4 |
 AA genotype | 339 | 92.4 | 332 | 99.1 |  |
 AC/CC genotypes | 28 | 7.6 | 3 | 0.9 |  |
G6PD202A | 29 | 7.7 | 2 | 0.6 | < 10-4 |
G6PD376G | 130 | 35.3 | 109 | 35.8 | 0.80 |
G6PD542A | 375 | 100 | 337 | 100 | - |
G6PD680G | 375 | 100 | 337 | 100 | - |
G6PD968T | 375 | 100 | 316 | 93.9 | - |
Clinical phenotypes | |||||
Malaria | Â | Â | Â | Â | 0.01* |
 Clinical | 61 | 16.3 | 30 | 8.9 |  |
 Asymptomatic | 77 | 20.5 | 73 | 21.7 |  |
 No malaria | 237 | 63.2 | 234 | 69.4 |  |
Hyperparasitaemia | 55 | 14.7 | 25 | 7.4 | 0.003 |
Parasite positivity | 105 | 28.5 | 71 | 21.3 | 0.03 |
Spleen enlargement | 34 | 9.1 | 116 | 34.4 | < 10-6 |
Immunological pheno. | |||||
AMA1 | (1269) | (0 – 72,770) | (1684) | (3 – 72,770) | 0.125 |
MSP1 | (542) | (0 – 131,800) | (2099) | (19 – 356,900) | < 10-6 |
MSP2 | (1735) | (0 – 777,500) | (4396) | (49 – 777,500) | < 10-6 |
CSP | (747) | (75 – 779,700) | (1331) | (0 – 1,387,000) | 0.0002 |
Total IgE | (1432) | (0 – 21,780) | (1702) | (171 – 28,960) | 0.008 |