Table 1.
ABO blood group and COVID‐19 status—Leicester (L) and Birmingham (B)
| COVID‐19 status | Region | ABO blood group frequency (%) | Total | |||
|---|---|---|---|---|---|---|
| A (n, [%]) | B (n, [%]) | AB (n, [%]) | O (n, [%]) | |||
| COVID‐19 positive | Leicester | 17 (39%) | 9 (20%) | 7 (16%) | 11 (25%) | 44 (100%) |
| COVID‐19 negative | Leicester | 64 (35%) | 29 (16%) | 14 (8%) | 78 (42%) | 185 (101% rounded) |
| COVID‐19 positive | Birmingham | 17 (40%) | 10 (24%) | 5 (12%) | 10 (24%) | 42 (100%) |
| COVID‐19 negative | Birmingham | 28 (33%) | 19 (23%) | 3 (4%) | 34 (40%) | 84 (100%) |
| COVID‐19 positive | All (Leicester and Birmingham) | 34 (40%) | 19 (22%) | 12 (14%) | 21 (24%) | 86 (100%) |
| COVID‐19 negative | All (Leicester and Birmingham) | 92 (34%) | 48 (18%) | 17 (6%) | 112 (42%) | 269 (100%) |