Research Article
The Use of Radiation Therapy in Well-Differentiated Soft Tissue Sarcoma of the Extremities: An NCDB Review
Table 3
Five year propensity matched survival.
| | Grouping | Number of patients | Surgery only | Adjuvant RT | value |
| Well-differentiated tumors
when stratified by adjuvant RT versus surgery alone | 1146 | 92.2% (89.9–94.6%) | 89.5% (86.9–92.2%) | 0.984 |
| Well-differentiated tumors
when stratified by adjuvant RT versus surgery on the basis of negative margins | 772 | 94.5% (92–97%) | 91.6% (88.7–94.6%) | 0.85 |
| Well-differentiated tumors
when stratified by adjuvant RT versus surgery on the basis of positive margins | 286 | 92.4% (88–97.1%) | 84.4% (78.5–90.8%) | 0.096 |
| Well-differentiated liposarcoma
when stratified by adjuvant RT versus surgery alone | 808 | 91.7% (88.8–94.7%) | 90% (87–93.1%) | 0.84 |
| Well-differentiated liposarcoma
when stratified by adjuvant RT versus surgery on the basis of negative margins | 524 | 93.7% (90.6–97%) | 91.3% (87.7–95%) | 0.891 |
| Well-differentiated liposarcoma
when stratified by adjuvant RT versus surgery on the basis of positive margins | 218 | 90.8% (85.3–96.7%) | 87.5% (81.4–94.1%) | 0.735 |
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