Table 2 Comparison of ABO blood group distributions
From: ABO blood grouping and COVID-19: a hospital-based study in Eastern India
Blood group | Odds ratio (95% confidence interval) | χ2 | p value |
|---|---|---|---|
A-B | 1.999 (1.838–2.173) | 16.28 | < 0.0001 |
A-O | 2.781 (2.557–3.025) | 24.26 | < 0.0001 |
A-AB | 2.238(1.864–2.687) | 8.83 | < 0.0001 |
A-Non-A | 2.552 (2.381–2.734) | 26.94 | < 0.0001 |
B-Non-B | 0.680 (0.635–1.584) | 10.22 | < 0.0001 |
O-Non-O | 0.545 (0.505–0.588) | 15.88 | < 0.0001 |
AB-Non-AB | 0.802 (0.672–0.958) | 2.43 | < 0.015 |