TABLE 3.

Univariate Analysis of Variables Using Kaplan-Meier Method

Characteristic	OS (Log-rank P)	DSS (Log-rank P)
Age at diagnosis	<0.001	<0.001
Race/Ethnicity
White vs. Black	0.031	0.026
Black vs. Other	0.113	0.078
White vs. Other	0.703	0.604
Sex	0.073	0.065
Decade of diagnosis	0.100	0.146
Tumor grade	<0.001	<0.001
Subtypes
NOS vs. myxoid	0.356	0.302
NOS vs. mesenchymal	0.074	0.003
NOS vs. dedifferentiated	0.001	<0.001
Myxoid vs. mesenchymal	0.203	0.044
Myxoid vs. dedifferentiated	0.004	0.001
Mesenchymal vs. dedifferentiated	0.725	0.836
Surgical resection	<0.001	<0.001
Radiation therapy performed	<0.001	<0.001
Treatment modality	<0.001	<0.001
Surgery + radiation vs. surgery only	<0.001	<0.001
Surgery + radiation vs. radiation only	<0.001	<0.001
Surgery + radiation vs. no therapy	<0.001	0.001
Surgery vs. radiation only	<0.001	<0.001
Surgery vs. no therapy	<0.001	<0.001
Radiation vs. no therapy	<0.001	0.659
Extent of disease	<0.001	<0.001
Size (cm)	<0.001	<0.001

DSS indicates disease-specific survival; OS, overall survival.