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Time‐varying hazard ratios (HRs) with 95% confidence intervals (CIs) as measure of the association between aspirin use time of CRC surgery (non‐users as reference) and all‐cause (left panel) and colorectal cancer (CRC)‐specific mortality (right panel) in patients with colorectal cancer adjusted for age, sex, year of diagnosis, Charlson comorbidity index, hypertension, and ASA score
