Table 3 Distribution of ABO blood group in different clinical subtypes of severe falciparum infections and uncomplicated malaria
Blood group | CM (n=59) | MOD (n=80) | NCSM (n=108) | UM (n=106) | CM vs UM P value, OR (95%CI) | MOD vs UM P value, OR (95%CI) | NCSM vs UM P value, OR (95%CI) |
|---|---|---|---|---|---|---|---|
O | 12 (20) | 18 (22) | 33 (31) | 52 (49) | ref | ref | ref |
A | 7 (12) | 19 (24) | 22 (20) | 20 (19) | 0.57, 0.65 (0.22 to 1.91) | 0.02, 0.36 (0.15 to 0.83) | 0.18, 0.57 (0.27 to 1.21) |
B | 33 (56) | 40 (50) | 46 (43) | 24 (23) | <0.0001, 5.95 (2.62 to 13.52) | <0.0001, 4.81 (2.30 to 10.06) | 0.001, 3.02 (1.56 to 5.83) |
AB | 7 (12) | 3 (3) | 7 (6) | 10 (9) | 0.10, 0.32 (0.10 to 1.04) | 1.00, 1.15 (0.28 to 4.66) | 1.00, 0.90 (0.31 to 2.61) |
Non O (A+B+AB) | 47 (80) | 62 (78) | 75 (69) | 54 (51) | 0.0003, 3.77 (1.80 to 7.90) | 0.0002, 3.31 (1.73 to 6.34) | 0.0078, 2.81 (1.25 to 3.82) |