Table 1.

Univariate cox analysis for soft tissue sarcoma.

	Overall survival			Disease-free survival
	HR	95%CI	P value	HR	95%CI	P value
Risk
Low
High	2.890	1.747-4.782	0.000	2.053	1.429-2.949	0.000
Age	1.020	1.001-1.038	0.035	1.010	0.998-1.023	0.113
Sex
Female
Male	0.903	0.563-1.448	0.672	1.090	0.767-1.548	0.632
Race
Asian
Black	0.713	0.082-6.219	0.759	2.122	0.264-17.028	0.479
White	0.537	0.073-3.974	0.543	1.913	0.266-13.781	0.520
Histological type
Dedifferentiated liposarcoma
Leiomyosarcoma	0.774	0.435-1.377	0.383	0.796	0.512-1.238	0.311
Myxofibrosarcoma	0.686	0.288-1.633	0.394	0.735	0.378-1.430	0.365
Other	0.678	0.252-1.818	0.440	0.702	0.345-1.430	0.330
Undifferentiated pleomorphic sarcoma	0.664	0.300-1.470	0.312	0.775	0.439-1.369	0.381
Metastasis
No
Yes	4.878	2.550-9.329	0.000	4.937	3.140-7.762	0.000
Radiotherapy
No
Yes	1.255	0.723-2.176	0.419	1.169	0.784-1.744	0.444
Margin status
R0
R1-2	2.328	1.396-3.883	0.001	2.085	1.422-3.056	0.000
Tumor site
Extremity
Other	1.160	0.695-1.936	0.570	0.974	0.6731.410	0.891
Multifocal indicator
No
Yes	2.605	1.503-4.516	0.001	2.081	1.313-3.298	0.002

HR, hazard ratio; CI, confidence interval.