Table 2 Univariate analysis for LOS
Variable | βa(95%CI) | p-value |
|---|---|---|
Perioperative blood transfusion | 0.7 (0.5, 0.8) | < 0.001 |
Cr | -0.0 (-0.0, 0.0) | 0.268 |
Gender | ||
Female | Reference | |
Male | 1.4 (0.9, 2.0) | < 0.001 |
AGE | ||
< 60 | Reference | |
≥ 60, < 65 | -0.2 (-1.2, 0.7) | 0.621 |
≥ 65, < 70 | 0.0 (-0.8, 0.9) | 0.921 |
≥ 70 | 1.4 (0.6, 2.1) | < 0.001 |
BMI (kg/m2) | ||
≥ 35 | Reference | |
< 35, ≥ 30 | -3.3 (-9.5, 3.0) | 0.306 |
< 30, ≥ 25 | -2.6 (-8.5, 3.4) | 0.396 |
≥ 18.5, < 25 | -2.2 (-8.1, 3.8) | 0.477 |
Perioperative blood transfusion | ||
None | Reference | |
One unit | 0.7 (-1.0, 2.4) | 0.403 |
≥ 2 units | 3.3 (2.3, 4.4) | < 0.001 |
Primary diagnosis | ||
Vertebral fracture | Reference | |
Hip fracture | 1.3 (0.6, 1.9) | < 0.001 |
Limb fracture | 5.2 (4.7, 5.7) | < 0.001 |
ASA | ||
1 | Reference | |
2 | 0.9 (-0.0, 1.9) | 0.060 |
3 | 2.8 (1.7, 3.8) | < 0.001 |
4 | 11.2 (7.3, 15.0) | < 0.001 |
Hemoglobin (g/L) | ||
≥ 130 | Reference | |
< 130, ≥ 120 | -0.5 (-1.1, 0.1) | 0.118 |
< 120, ≥ 110 | -0.4 (-1.2, 0.3) | 0.218 |
< 110 | -0.5 (-1.2, 0.2) | 0.180 |
surgical method | ||
Open reduction plate internal fixation for radial fracture | Reference | |
External radial fixation | -1.2 (-6.5, 4.1) | 0.664 |
Femoral head replacement | 5.5 (4.5, 6.4) | < 0.001 |
Total hip replacement | 5.1 (3.6, 6.6) | < 0.001 |
Closed reduction and internal fixation of the femur | 3.4 (2.7, 4.2) | < 0.001 |
Open reduction and internal fixation of the femur | 5.4 (4.2, 6.7) | < 0.001 |
Percutaneous kyphoplasty | -1.7 (-2.5, -1.0) | < 0.001 |
Spondyloplasty | -0.6 (-1.7, 0.6) | 0.351 |
Vertebrae internal fixation | 4.8 (3.5, 6.2) | < 0.001 |
Lumbar posterior column fusion, posterior approach | 5.1 (1.5, 8.7) | 0.005 |
Closed reduction intramedullary pin fixation of humerus fracture | 2.0 (-1.2, 5.3) | 0.216 |
Open reduction of humerus fracture with internal fixation | 0.8 (-0.5, 2.0) | 0.230 |
Anesthesia | ||
General anesthesia | Reference | |
Local anesthesia | -3.9 (-4.5, -3.2) | < 0.001 |
Spinal anesthesia | 2.3 (1.7, 2.9) | < 0.001 |
Continuous epidural anesthesia | 3.1 (0.9, 5.3) | 0.005 |
Brachial plexus anesthesia | -1.6 (-2.3, -0.8) | < 0.001 |
CCI | ||
0 | Reference | |
1 | 3.4 (2.6, 4.2) | < 0.001 |
2 | 5.0 (3.4, 6.7) | < 0.001 |
3 | 6.4 (3.2, 9.6) | < 0.001 |
4 | 11.7 (5.9, 17.5) | < 0.001 |
5 | -2.5 (-14.1, 9.1) | 0.671 |
7 | 14.5 (2.9, 26.1) | 0.014 |