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Frequencies of ABO blood types among CAD patients and controls.
| Blood Type | Controls N = 156, n (%) |
CAD patients N = 148, n (%) |
OR (95% CI) |
|---|---|---|---|
| A | 51 (32.7) | 68 (45.9) | 1.75 * (1.10–2.77) |
| B | 31 (19.9) | 44 (29.7) | 1.70 (1.01–2.89) |
| O | 58 (37.1) | 30 (20.3) | 0.43 ** (0.26–0.72) |
| AB | 16 (10.3) | 6 (4.1) | 0.37 (0.14–0.97) |
Note: * p < 0.05; ** p < 0.01.
