Duration of aspirin use | Event no. | Crude | Adjusted | ||||
---|---|---|---|---|---|---|---|
(n = 278) | HR | (95% CI) | p value | HR | (95% CI) | p value | |
Non-user | 147 | 1 | reference | Â | 1 | reference | Â |
< 1 year | 93 | 0.74 | (0.57–0.96) | 0.02 | 0.63 | (0.48–0.83) | < 0.001 |
1–2 years | 12 | 0.52 | (0.29–0.93) | 0.03 | 0.33 | (0.18–0.61) | < 0.001 |
2–3 years | 11 | 0.94 | (0.51–1.73) | 0.84 | 0.6 | (0.32–1.13) | 0.11 |
≥3 years | 15 | 0.8 | (0.47–1.37) | 0.42 | 0.45 | (0.26–0.79) | 0.005 |