Table 2 Multivariable logistic regression analysis of PPCs
From: Nomogram for predicting postoperative pulmonary complications in spinal tumor patients
Variables | Â | Unadjusted OR(95% CI) | Adjusted OR(95% CI) | P Value | |
|---|---|---|---|---|---|
BMI | < 24 kg/m2 | Ref | Ref |  | |
|  | ≥ 24 kg/m2 | 0.54 (0.28,1.02) | 0.53 (0.27,1.03) | 0.06 | |
Level of tumor | Cervical | Ref | Ref | Â | |
| Â | Thoracic | 4.34 (1.64,11.48) | 2.07 (0.71,6.04) | 0.181 | |
| Â | Lumbar | 1.62 (0.56,4.73) | 0.79 (0.25,2.51) | 0.685 | |
| Â | Sacral | 0.98 (0.27,3.5) | 0.34 (0.08,1.46) | 0.145 | |
Blood transfusion | No | Ref | Ref | Â | |
| Â | Yes | 4.08 (1.96,8.5) | 2.61 (1.11,6.13) | 0.028 | |
Blood loss (ml) | Â | 1.0004 (1.0002,1.0007) | 1.0003 (1.0001,1.0006) | 0.016 | |