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