Table 4 Comparison of baseline characteristics between patients with survival and death groups
| Â | Survival group (1039) | dead group (57) | OR (95% CI) | P* |
|---|---|---|---|---|
Age, y (mean SD) | 76.70 ± 6.30 | 77.46 ± 6.51 |  | 0.154 |
Female, n (%) | 529 (50.91) | 27 (47.47) | 0.87 (0.51–1.48) | 0.602 |
BMI ≥ 24 kg/m, n (%) | 311 (29.93) | 19 (33.33) | 1.17 (0.66–2.06) | 0.586 |
Current smoking, n (%) | 284 (27.334) | 14 (24.56) | 0.87 (0.47–1.61) | 0.647 |
Hypertension, n (%) | 333 (32.05) | 19 (33.33) | 1.06 (0.60–1.87) | 0.840 |
Diabetes, n (%) | 282 (27.14) | 19 (33.33) | 1.34 (0.76–2.37) | 0.308 |
Hyperlipidemia, n (%) | 501 (48.22) | 32 (56.14) | 1.38 (0.80–2.35) | 0.244 |
Dementia, n (%) | 35 (3.37) | 6 (10.53) | 3.38 (1.36–8.39) | 0.006 |
Heart disease, n (%) | 99 (9.53) | 6 (10.53) | 1.12 (0.47–2.67) | 0.803 |
Chronic renal disease, n (%) | 85 (8.18) | 3 (5.26) | 0.62 (0.19–2.04) | 0.430 |
Chronic liver disease, n (%) | 52 (5.00) | 2 (3.51) | 0.69 (0.16–2.91) | 0.611 |
COPD, n (%) | 89 (8.57) | 14 (24.56) | 3.48 (1.83–6.60) |  < 0.001 |
Fracture to operation duration, d (mean SD) | 7.05 ± 3.40 | 9.80 ± 4.58 |  |  < 0.001 |
ALB, g/l (mean SD) | 33.99 ± 4.92 | 34.49 ± 4.26 |  | 0.596 |
RBC, g/l (mean SD) | 135.43 ± 26.11 | 135.43 ± 25.32 |  | 0.993 |
Operating times, min (mean SD) | 80.47 ± 14.28 | 78.89 ± 16.63 |  | 0.366 |
Postoperative medical complications, n (%) | 203 (19.54) | 37 (64.91) | 8.03 (4.52–14.26) |  < 0.001 |