Table 4.
Adjusted Odds of major complications, acute renal failure and mortality within 1 year after hip fracture surgery by BMI Category
| BMIa categories | 1-year mortality | Major complications | Acute renal failure | |||
|---|---|---|---|---|---|---|
| OR(95%) | P | OR(95%) | P | OR(95%) | P | |
| NW | Referent | 0.025 | Referent | 0.02 | Referent | 0.043 |
| UW | 2.24 (1. 14–4. 42) | 0.02 | 2.07 (1. 21–3. 55) | 0.008 | 2.18 (1. 17–4. 05) | 0.014 |
| OW | 0.57 (0. 22–1. 43) | 0.23 | 1.28 (0. 73–2. 25) | 0.396 | 1.65 (0. 86–3. 16) | 0.135 |
| OB | 0.49 (0. 06–3. 84) | 0.5 | 2.57 (1. 09–6. 09) | 0.031 | 2.52 (0. 94–6. 78) | 0.067 |
Adjusted for age, sex, surgery type, CCI and surgery delay
aBMI categories are defined as follows: underweight (UW) (BMI < 18. 5 kg/m2), normal weight (NW) (BMI 18.5–24.9 kg/m2), overweight (OW) (BMI 25.0–29.9 kg/m2), obese (OB) (BMI ≥ 30.0 kg/m2)