From: Low-dose aspirin use and survival in colorectal cancer: results from a population-based cohort study
Mortality | Patients | Person years | Unadjusted HR (95% CI) | P value | Adjusteda HR (95% CI) | P value | |
---|---|---|---|---|---|---|---|
CRC-specific survival | |||||||
Aspirin non-user | 729 | 5881 | 15,957 | 1.00 (ref. cat.) | 1.00 (ref. cat.) | ||
Aspirin user | 335 | 2510 | 6178 | 1.22 (1.07, 1.39) | 0.003 | 1.17 (1.00, 1.36) | 0.06 |
1 to 365 DDDs vs. non-user | 160 | 725 | 2549 | 1.34 (1.12, 1.59) | 0.001 | 1.23 (1.02, 1.50) | 0.03 |
≥ 365 DDDs vs. non-user | 175 | 1785 | 3629 | 1.12 (0.95, 1.33) | 0.18 | 1.10 (0.90, 1.33) | 0.36 |
Overall survival | |||||||
Aspirin non-user | 1035 | 5881 | 15,957 | 1.00 (ref. cat.) | 1.00 (ref. cat.) | ||
Aspirin user | 600 | 2510 | 6178 | 1.51 (1.37, 1.67) | < 0.001 | 1.21 (1.07, 1.37) | 0.002 |
1 to 365 DDDs vs. non-user | 263 | 725 | 2549 | 1.59 (1.39, 1.83) | < 0.001 | 1.26 (1.08, 1.46) | 0.004 |
≥ 365 DDDs vs. non-user | 337 | 1785 | 3629 | 1.45 (1.28, 1.65) | < 0.001 | 1.18 (1.02, 1.37) | 0.03 |