Table 1.

Cox model showing hazard ratios (HR) and 95% confidence intervals (CI) for risk of death in the period studied for our cohort of patients with extremity and superficial trunk soft tissue sarcoma (n = 15,957).

Characteristic	Stage IIA*			Stage IIB/III*
	n = 5,734			n = 10,223
	HR	95% CI	P	HR	95% CI	P
Treatment (ref. adherent)			<0.01			<0.01
Nonadherent	2.31	2.02-2.63		1.63	1.53-1.73
Gender (ref. male)			0.11			<0.01
Female	0.91	0.82-1.02		0.83	0.78-0.88
Age at Diagnosis (ref. <50 years)			<0.01			<0.01
50-74 years	1.56	1.31-1.85		1.39	1.27-1.52
≥75 years	3.43	2.81-4.18		2.5	2.25-2.77
Race (ref. white)			0.64			<0.01
African American	0.95	0.77-1.18		1.29	1.16-1.42
Hispanic	0.97	0.92-1.30		0.86	0.75-0.99
Other/unknown	0.84	0.63-1.11		0.91	0.79-1.05
Charlson Comorbidity Score (ref. 0)			<0.01			<0.01
1	1.24	1.06-1.44		1.29	1.20-1.40
2+	2.49	1.97-3.16		1.62	1.41-1.86
Insurance (ref. private)			<0.01			<0.01
Uninsured/unknown	1.55	1.19-2.00		1.27	1.11-1.46
Government plan	1.64	1.42-1.90		1.48	1.37-1.60
Travel Distance (ref. ≤20 miles)			0.04			<0.01
21 to 50 miles	0.89	0.76-1.04		1.01	0.93-1.09
>50 miles	0.95	0.81-1.11		1.02	0.94-1.10
Unknown	1.46	1.05-2.03		1.74	1.46-2.07
Year of Diagnosis	0.99	0.96-1.01	0.35	1.01	0.99-1.02	0.12
Facility Type (ref. academic)			0.67			<0.01
Community	1.02	0.83-1.26		1.26	1.11-1.43
Comprehensive	1.07	0.95-1.21		1.05	0.98-1.13
Unknown	1.47	0.47-4.61		1.08	0.54-2.17
Facility Region (ref. Northeast)			0.12			0.02
West	0.91	0.76-1.10		0.87	0.79-0.96
Midwest	0.99	0.84-1.17		0.97	0.88-1.06
South	1.10	0.93-1.29		0.9	0.83-0.98