Table 2.

Univariate proportional hazards regression for event - free survival.

Covariate	HR	95% CI	p-value
Age	1.63	1.08 – 2.45	0.0188
Gender Male	1.47	0.80 – 2.69	0.2109
Stage	1.3	0.26 – 6.45	0.0001
II	3.7	1.03 – 13.26
III	9.49	3.18 – 28.36
IV
LDH	1.32	1.10 – 1.60	0.0027
Treatment Surgery	0.14	0.06 - .33	<0.0001
Location	1.05	0.46 – 2.40	0.1934
HN	0.45	0.16 – 1.24
LE	0.49	0.21 – 1.12
UE	l.28	0.42 – 3.84
Other
Serum APRIL/TNFSF13Hi	0.64	0.43 – 0.95	0.0285
Serum CCL19Hi	1.2	0.88 – 1.64	0.2453
Serum CXCL10Hi	1.213	0.91 – 1.42	0.2616
Serum CXCL13Hi	0.81	0.59 – 1.10	0.1785

LDH, Lactate dehydrogenase; HN, Hilar nodes; LE, Lower extremity; UE, Upper extremity.