Table 5.

Univariate overall survival and event-free survival analysis in 59 patients with STS.

Variables	n	Overall survival		p value	Event-free survival		p value
		2-year	5-year		2-year	5-year
Age
>66 years	32	75.9%	67.4%	0.5	63.1%	34.5%	0.53
<66 years	27	88.3%	57.7%		68.9%	54.8%
Gender
Male	32	85.5%	75%	0.33	65.1%	44.3%	0.95
Female	27	77.6%	34.1%		66.5%	NA
Tumor depth
Superficial	10	80%	80%	0.54	70%	70%	0.36
Deep	49	82%	51.9%		64.7%	36%
Tumor size
>10 cm	26	82.8%	NA	0.82	69.4%	NA	0.31
<10 cm	33	81%	61.5%		62.5%	39.7%
Tumor grade
G1	16	100%	100%	0.0006	100%	80%	0.008
G2	20	90%	77.50%		62.3%	24.9%
G3	23	64.30%	34.60%		47.1%	33.5%
IL-6
>26.7 pg/ml	14	35.70%	NA	<0.0001	19%	NA	<0.0001
<26.7 pg/ml	45	97.70%	76.10%		80.3%	52.7%