Research Article
The Volume-Outcome Relationship in Retroperitoneal Soft Tissue Sarcoma: Evidence of Improved Short- and Long-Term Outcomes at High-Volume Institutions
Table 3
Logistic regression analysis of 30-day postoperative mortality.
| Variable | 95% Wald | Odds ratio | Confidence limits | value |
| Age | 1.06 | 1.04 | 1.09 | <0.0001 |
| Female (reference = male) | 0.92 | 0.61 | 1.40 | 0.71 |
| Race (reference = white) | | Black | 1.16 | 0.56 | 2.39 | 0.69 | Other | 0.74 | 0.23 | 2.37 | 0.61 |
| Charlson–Deyo (reference = 2) | | 0 | 1.13 | 0.65 | 1.95 | 0.66 | 1 | 1.67 | 0.79 | 3.50 | 0.18 |
| Hospital volume (reference = high) | | Medium | 2.73 | 0.65 | 11.51 | 0.17 | Low | 4.66 | 2.26 | 9.63 | <0.0001 |
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