Table II.
Treatment patterns at high- and low-volume centers by stage of disease
| Variable (n, %) | High volume (n = 244) | Low volume (n = 49) | P |
|---|---|---|---|
|
| |||
| Localized | |||
| Total patients | 104 | 15 | |
| Operative | 96 (92.3) | 11 (73) | .013 |
| Nonoperative | 8 (7.7) | 4 (27) | |
| Extent of operation | .137 | ||
| Local/partial excision | 39 (37.5) | 8 (53) | |
| Radical resection, limb salvage | 52 (50.0) | 3 (20) | |
| Partial/total amputation | 3 (2.8) | 0 | |
| Resection + chemo | 10 (9.6) | 2 (13) | .334 |
| adjuvant | 4 (3.8) | 1 (7) | |
| Resection + XRT | 56 (53.8) | 6 (40) | .810 |
| Adjuvant | 40 (38.5) | 5 (33) | |
| Metastatic | |||
| Total patients | 139 | 34 | |
| Operative | 65 (46.8) | 11 (32) | .129 |
| Nonoperative | 74 (53.2) | 23 (68) | |
| Extent of operation | .298 | ||
| Local/partial excision | 23 (16.5) | 6 (17.8) | |
| Radical resection, limb salvage | 35 (25.1) | 3 (8.3) | |
| Partial/total amputation | 4 (2.9) | 1 (2.9) | |
| Resection + chemo | 27 (19.4) | 4 (126) | .745 |
| adjuvant | 20 (14.4) | ||
| Resection + XRT | 35 (25.1) | 7 (2051) | .746 |
| adjuvant | 26 (18.7) | 5 (14.7) | |
XRT, radiotherapy.
Bold indicates statistical significance.