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Results of the multivariable stepwise logistic regression analysis
| Variable | Regression coefficient | OR (95% CI) | P Value |
|---|---|---|---|
| BMI | 0.414 | 1.513 (1.161–1.972) | 0.002 |
| T stage | 0.462 | 1.587 (1.436–1.753) | 0.000 |
| ASA | 0.65 | 1.916 (1.587–2.312) | 0.000 |
| Preoperative hemoglobin level | 1.222 | 3.395 (2.765–4.170) | 0.000 |
| Osseous free-flap reconstruction | 0.361 | 1.434 (1.091–1.887) | 0.010 |
