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Table 3 First-year mortality hazard ratios for baseline factors including preoperative use of low-dose acetylsalicylic acid (LdAA) in a Cox regression

From: Bleeding and first-year mortality following hip fracture surgery and preoperative use of low-dose acetylsalicylic acid: an observational cohort study

Factors Hazard ratio 95% CI P value
Preoperative LdAA use 2.35 1.23 - 4.49 0.01
Age at fracture (per year) 1.08 1.03 - 1.13 < 0.01
Sex (men vs women) 0.85 0.44 - 1.63 0.62
Fracture type (cervical vs subtrochanteric
or pertrochanteric
0.92 0.52 - 1.63 0.77
Cardiovascular or cerebrovascular disease 2.78 1.32 - 5.88 0.01
Renal dysfunction* 1.04 0.54 - 2.00 0.91
  1. *Defined as creatinine ≥105 umol/L in males and ≥95 umol/L in females