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Table 4 Conditional logistic regression to compare genotype combinations to the non-African genotype Sl1/1 McCa/a.

From: Complement receptor 1 polymorphisms associated with resistance to severe malaria in Kenya

  Severe Anaemia Cerebral Malaria
Genotype No. of cases (%) No. of controls (%) OR 95% CI P No. of cases (%) No. of controls (%) OR 95% CI P
Sl1/1 McCa/a 11(8) 10(7) Ref - - 17(18) 10(11) Ref - -
Sl1/2 McCa/a 33(24) 34(25) 0.93 0.20 to 4.37 0.93 23(25) 25(27) 0.40 0.09 to 1.77 0.23
Sl2/2 McCa/a 17(12) 17(12) 0.86 0.17 to 4.43 0.86 11(12) 14(15) 0.24 0.05 to 1.19 0.08
Sl2/2 McCa/b 35(26) 43(31) 0.53 0.12 to 2.34 0.40 16(17) 25(27) 0.18 0.04 to 0.77 0.02
Sl1/2 McCa/b 30(22) 23(17) 1.19 0.26 to 5.40 0.82 21(23) 15(16) 0.93 0.19 to 4.60 0.93
Sl2/2 McCb/b 11(8) 10(7) 0.87 0.15 to 5.14 0.88 5(5) 4(4) 0.65 0.07 to 6.07 0.71
  1. OR = Odds Ratio, CI = Confidence Interval, Ref = Reference category
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