Table 3.

Effect of blood group on developing complicated falciparum malaria.

Blood groups	Odds ratio	P value	95% CI
			Lower	Upper
B versus O	1.87	<0.0001	1.57	2.23
AB versus O	1.40	<0.0001	1.18	1.66
A versus O	1.90	<0.0001	1.59	2.26