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. Author manuscript; available in PMC: 2022 Feb 22.
Published in final edited form as: Surgery. 2020 Jul 20;168(5):825–830. doi: 10.1016/j.surg.2020.06.007

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.