Table 3.

Cox multivariate analysis for overall survival

Variable	Unfavorable	HR	95% CI	P‐values
Age	>60 year	7.954	0.991–63.811	0.051
PS	≥2	2.962	1.014–8.653	0.047
LDH	>normal	6.531	1.105–38.594	0.038
sIL‐2R	>1500 U/mL	0.82	0.213–3.152	0.773

CI, confidence interval; HR, hazard ratio; LDH, lactate dehydrogenase; PS, performance status; sIL‐2R, soluble interleukin‐2 receptor.