Table 1.
Published risk estimates of severe malaria phenotypes associated with CD36 deficiency alleles
Publication | Population | Cases | Controls | Phenotype | Allele/genotype | OR | 95% CI | P-value |
---|---|---|---|---|---|---|---|---|
Aitman et al. (2000) (12) | Gambia and Kenya | 598 | 761 | All cases | def versus wt | 1.53 | 1.09–2.15 | 0.01a |
(388)b | 761 | CM | def versus wt | 1.49 | 1.01–2.20 | 0.04 | ||
(97) | (331) | CM | GG versus rest | — | — | 0.04 | ||
Pain et al. (2001) (17) | Kenya | 693 | 693 | All cases | GG and GT versus TT | 0.74 | 0.55–0.99 | 0.036a |
(104) | 693 | Three or four syndromes | GG and GT versus TT | 0.47 | 0.22–0.95 | 0.024 | ||
(589) | 693 | One or two syndromes | GG and GT versus TT | 0.79 | 0.58–1.07 | 0.11 | ||
(413) | 693 | CM | GG and GT versus TT | 0.84 | 0.60–1.18 | 0.27 | ||
(250) | 693 | Respiratory distress | GG and GT versus TT | 0.67 | 0.43–1.04 | 0.051 | ||
(304) | 693 | SA | GG and GT versus TT | 0.62 | 0.41–0.94 | 0.017 | ||
(146) | 693 | Hypoglycaemia | GG and GT versus TT | 0.54 | 0.30–0.96 | 0.026 | ||
Amodu et al. (2005) (18) | Nigeria | 101 | 53 | Uncomplicated versus asymptomatic | G versus T | — | — | 0.062c |
69 | 53 | Severe versus asymptomatic | G versus T | — | — | 0.326 | ||
Ayodo et al. (2007) (19) | Luo (Kenya) | 456 | 457 | All cases | GT versus rest | 1.5 | 1.03–2.18 | 0.03 |
456 | 457 | All cases | GG versus GT versus TT | — | — | 0.061 | ||
456 | 457 | All cases | G versus T | — | — | 0.0023d | ||
456 | 457 | All cases | G versus T | — | — | 0.00043e |
OR, odds ratio; CI, confidence interval; def, CD36 deficiency alleles 1264G and 1439C pooled; wt, CD36 wild-type allele; the remaining alleles and genotypes refer to CD36 T1264G. CM, cerebral malaria; SA, severe anaemia; Severe, all severe cases; Uncomplicated, non-severe malaria.
aMantel–Haenszel stratified analysis.
bSample numbers in brackets refer to subsets of the studies’ cases or controls.
cMultivariate analysis.
dWeighted for population differentiation (Yoruba versus Masai).
eWeighted for population differentiation (Yoruba versus Kikuyu).