Table 4 Multivariate linear regression analysis of risk factors for tumors with different blood supply
From: Risk factors of total blood loss in the posterior surgery for patients with thoracolumbar metastasis
Primary tumor type | Non-hyper vascular | Hypervascular | ||
|---|---|---|---|---|
Regression Coefficient | P | Regression Coefficient | P | |
BMI (kg/m2) | ||||
Overweight | 190 | 0.307 | 54 | 0.905 |
Surgical method | ||||
Wide or marginal excision (piece-meal) | 123 | 0.727 | 1926 | 0.014 |
Wide or marginal excision (en-bloc) | 2400 | < 0.001 | 1596 | 0.106 |
Surgical site | ||||
Lower thoracic | −3 | 0.990 | 553 | 0.288 |
Lumbar | 619 | 0.007 | 38 | 0.943 |
Surgery segment | ||||
Multiple | 134 | 0.478 | −175 | 0.683 |
Extraosseous tumor mass | ||||
Yes | 282 | 0.205 | 913 | 0.034 |
Preoperative embolism | ||||
No | NA | NA | 207 | 0.701 |
PLT (109/L) | ||||
< 100 | 553 | 0.386 | 515 | 0.468 |