Table 4.

Univariate and multivariate analyses of variables for disease-free survival in STS patients

Variables	DFS Univariate analysis		DFS Multivariate analysis
	HR (95% CI)	p-value	HR (95% CI)	p-value
Sex
Male	1 (referent)
Female	1.014 (0.730–1.409)	0.934
Age (years)
< 50	1 (referent)		1 (referent)
≥ 50	1.538 (1.103–2.145)	0.011	1.601 (1.111–2.306)	0.012
Tumor size (cm)
< 5	1 (referent)
≥ 5	2.181 (1.537–3.093)	<0.001
Tumor depth
Superficial	1 (referent)		1 (referent)
Deep	3.006 (2.043–4.422)	<0.001	2.346 (1.541–3.571)	<0.001
Tumor grade
G1	1 (referent)		1 (referent)
G2	2.268 (1.340–3.837)	0.002	1.798 (1.053–3.069)	0.031
G3	5.300 (3.132–8.71)	<0.001	4.404 (2.565–7.561)	<0.001
AJCC stage
IA + IB	1 (referent)
IIA + IIB	2.294 (1.402–3.751)	0.001
III + IV	5.089 (3.014–8.590)	<0.001
NLR
< 2.51	1 (referent)		1 (referent)
≥ 2.51	1.778 (1.271–2.487)	0.001	1.719 (1.195–2.471)	0.003
PLR
< 191.1	1 (referent)
≥ 191.1	2.498 (1.688–3.698)	<0.001
FAR
< 0.0726	1 (referent)
≥ 0.0726	1.956 (1.408–2.718)	<0.001