TABLE 3.
Blood types in relation to the severity of COVID‐19
| Blood type | General ward (N = 233) | ICU without intubation (N = 10) | ICU with intubation (N = 17) | Deceased (N = 78) | p |
|---|---|---|---|---|---|
| ABO | .925a | ||||
| O | 68 (29.4%) | 5 (50.0%) | 5 (29.4%) | 22 (28.2%) | |
| A | 105 (45.5%) | 3 (30.0%) | 6 (35.3%) | 37 (47.4%) | |
| B | 37 (16.0%) | 1 (10.0%) | 4 (23.5%) | 12 (15.4%) | |
| AB | 21 (9.1%) | 1 (10.0%) | 2 (11.8%) | 7 (9.0%) | |
| Secretor status | .801a | ||||
| Secretor | 192 (82.4%) | 9 (90.0%) | 15 (88.2%) | 68 (87.2%) | |
| Nonsecretor | 41 (17.6%) | 1 (10.0%) | 2 (11.8%) | 10 (12.8%) | |
| Lewis | .917a | ||||
| Le a+ | 36 (15.6%) | 1 (10.0%) | 2 (11.8%) | 10 (12.8%) | |
| Le b+ | 170 (73.6%) | 8 (80.0%) | 14 (82.4%) | 63 (80.8%) | |
| Le (a−b−) | 25 (10.8%) | 1 (10.0%) | 1 (5.9%) | 5 (6.4%) |
Note: The investigated blood types are indicated in relation to the four hospitalized patient categories reflecting symptom severity.
Abbreviation: ICU, Intensive care unit.
a
Fisher's exact test.