Nomograms Predict Overall Survival and Cancer-Specific Survival in Patients with Fibrosarcoma: A SEER-Based Study

Table 2

Univariate and multivariate analyses of variables associated with overall survival.

Variables	Univariate analysis	Multivariate analysis
	value	HR (95% CI)	value
Age, years	<0.001
<58		Reference
58–73		2.200(1.622–2.986)	<0.001
>73		3.902 (2.911–5.230)	<0.001
Sex	0.039
Male		Reference
Female		0.756 (0.593–0.963)	0.024
Race	0.003
White		Reference
Black		0.814 (0.547–1.211)	0.310
Others		0.636 (0.361–1.121)	0.118
Surgery	<0.001
Yes		Reference
No		3.073 (1.993–4.738)	<0.001
Marital status	0.0726
Married		Reference
Unmarried		0.836 (0.651–1.075)	0.163
Stage	<0.001
Localized		Reference
Regional		1.244 (0.947–1.635)	0.117
Distant		2.660 (1.859–3.807)	<0.001
Grade	<0.001
I		Reference
II		1.655 (1.116–2.455)	0.012
III		1.907 (1.261–2.885)	0.002
IV		3.000 (2.023–4.450)	<0.001
Tumor size (mm)	<0.001
<61		Reference
61–110		1.931 (1.446–2.578)	<0.001
>110		2.784 (2.057–3.766)	<0.001