Table 3.
Risk factors for major complications (Grade III Clavien–Dindo) of ortho-vascular surgery in the patients included in this series.
| Variables | Cut Off n. Events/pts Hazard Ratio (95%CI) |
Cut Off n. Events/pts Hazard Ratio (95% CI) |
p-Value |
|---|---|---|---|
| Age | <65 years | >65 years | 0.9641 |
| 17/57 (29.8%) | 5/17 (29.4%) | ||
| HR 1.0231 | HR 0.9775 | ||
| Gender | Female | Male | 0.0914 |
| 14/37 (37.8%) | 8/37 (21.6%) | ||
| HR 2.0658 | HR 0.4841 | ||
| Cardiovascular risk factors | Yes | No | 0.8347 |
| 13/45 (28.9%) | 9/29 (31.0%) | ||
| HR 0.9124 | HR 1.0960 | ||
| Type 2 diabetes mellitus | Yes | No | 0.7487 |
| 1/4 (25.0%) | 21/70 (30.0%) | ||
| HR 1.3288 | HR 0.7526 | ||
| Obesity | Yes | No | 0.1726 |
| 5/16 (31.2%) | 17/58 (29.3%) | ||
| HR 2.0448 | HR 0.8547 | ||
| Preoperative radiotherapy | Yes | No | 0.1 |
| 8/16 (50.0%) | 14/58 (24.1%) | ||
| HR 2.3397 | HR 0.4274 | ||
| Neoplasia volume | <100 mL | >100 mL | 0.6754 |
| 12/38 (31.6%) | 10/36 (27.8%) | ||
| HR 1.1961 | HR 0.8360 | ||
| Intervention time | Less 4 h | >4 h | 0.0364 * |
| 6/35 (17.1%) | 16/39 (41.0%) | ||
| HR 0.4083 | HR 2.4491 | ||
| Vascular bypass | Yes | No | 0.2772 |
| 4/9 (44.4%) | 18/65 (27.7%) | ||
| HR 2.1040 | HR 0.4753 | ||
| Flap (yes vs. no) | Yes | No | 0.2984 |
| 8/21 (38.1%) | 14/53 (26.4%) | ||
| HR 1.6540 | HR 0.6046 | ||
| Tumor site (pelvis vs. other sites) | Pelvis | Other sites | 0.0564 * |
| 6/10 (60.0%) | 16/64 (25.0%) | ||
| HR 3.0753 | HR 0.3252 |
* Statistically significant.