Table 3.

Univariate and multivariate analyses of CSS.

	Univariate			Multivariate
	HR	95%CI	P	HR	95%CI	P
Age	0.89	0.78–1.02	0.097
Sex
Male	Reference
Female	1.1	0.46–2.64	0.825
Region
Urban	Reference
Rural	1.4	0.6–3.28	0.437
Medical.insurance
No	Reference
Yes	0.59	0.26–1.34	0.212
Primary.site
Limb	Reference
Axial	0	0–Inf	0.998
lateral
Left	Reference
Right	1.71	0.74–3.98	0.211
Not pairs	0	0–Inf	0.998
Stage
I	Reference			Reference
II	3.48	0.31–38.79	0.31	3.322	0.298–37.08	0.329
III	17.68	2.23–140.52	0.007	18.106	2.273–144.207	0.006
IV	38.48	4.92–300.73	0.001	28.818	3.647–227.687	0.001
Surgery
Limb salvage	Reference
Amputation	1.96	0.45–8.44	0.369
Chemotherapy
No	Reference
Yes	2.82	0.62–12.82	0.179
Radiotherapy
No	Reference
Yes	0	0–Inf	0.997
Size	1.02	1.01–1.03	0.003
PLR	1.01	1–1.01	0.001
NLR	2.07	1.27–3.39	0.004
SII	1	1–1.001	0.001	1.001	1–1.002	0.015
Platelet	1	1–1.01	0.015
Neutrophile	1.47	1.11–1.95	0.008
Lymphocyte	0.73	0.51–1.06	0.102