Table 4 ABO blood groups in COVID-19 cases and controls distributed according to gender
Blood group | N (%) | |||
|---|---|---|---|---|
Cases (N = 1014) | Controls (N = 901) | |||
Male (N = 612) | Female (N = 402) | Male (N = 505) | Female (N = 396) | |
A | 244 (39.9) | 116 (28.9) | 167 (33.1) | 128 (32.3) |
B | 140 (22.9) | 81 (20.1) | 111 (22.0) | 83 (21.0) |
AB | 69 (11.3) | 40 (10.0) | 47 (9.3) | 34 (8.6) |
O | 159 (25.9) | 165 (41.0) | 180 (35.6) | 151 (38.1) |
p | < 0.001 | 0.886 | ||