Table 3.
Unadjusted and adjusted analysis of factors affecting the use of radiotherapy in patients with high-grade soft tissue sarcoma of the extremities.
| Characteristics | Unadjusted | Adjusted* | ||
|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | |
| Age | ||||
| <50 | 1 | referent | ||
| 50-70 | 0.83 | 0.60, 1.14 | 0.81 | 0.57, 1.14 |
| 70 + | 0.64 | 0.46, 0.87 | 0.66 | 0.47, 0.92 |
| Histology | ||||
| Fibrous histiocytoma, malignant (MFH) | 1 | referent | ||
| Pleomorphic liposarcoma | 6.67 | 2.40, 18.58 | 6.04 | 2.15, 17.0 |
| Sarcoma, not otherwise specified | 1.14 | 0.66, 1.98 | 1.28 | 0.73, 2.26 |
| Leiomyosarcoma | 0.61 | 0.42, 0.90 | 0.67 | 0.45, 1.01 |
| Other | 1.18 | 0.89, 1.55 | 1.07 | 0.8, 1.44 |
| Site | ||||
| Lower extremity | 1 | referent | ||
| Upper extremity | 1.01 | 0.77, 1.33 | 1.15 | 0.86, 1.55 |
| Surgical Procedure | ||||
| Local excision | 1 | referent | ||
| Radical resection | 1.95 | 1.52, 2.50 | 1.83 | 1.41, 2.37 |
| Sex | ||||
| Female | 1 | referent | ||
| Male | 1.18 | 0.92, 1.50 | 1.03 | 0.79, 1.33 |
| Race | ||||
| White | 1 | referent | ||
| Black | 0.93 | 0.61, 1.40 | 0.93 | 0.61, 1.44 |
| Other | 0.99 | 0.60, 1.65 | 1.14 | 0.67, 1.93 |
| Marital Status | ||||
| Currently not married | 1 | referent | ||
| Married | 1.65 | 1.29, 2.12 | 1.59 | 1.22, 2.08 |
| Size | ||||
| Small | 1 | referent | ||
| Large | 1.93 | 1.51, 2.46 | 1.91 | 1.48, 2.47 |
*
Final model adjusted for all variables shown in table.