Table 6.

Univariate cox proportional hazard analysis for overall survival and event-free survival in 59 patients with STS.

Variables		Overall survival	p value	Event-free survival	p value
		HR (95%CI)		HR (95%CI)
Age	years	1.049 (0.998–1.102)	0.06	1.03 (0.992–1.068)	0.12
Tumor size	cm	1.014 (0.943–1.089)	0.71	0.972 (0.916–1.033)	0.37
IL-6	pg/ml	1.005 (1.002–1.008)	0.0007	1.006 (1.003–1.009)	0.0003