Table 4.

Multivariate analysis between clinicopathological parameters and survival.

Parameters	5-year DFS			5-year OS
	HR	95% CI	p value	HR	95% CI	p value
Age	0.956	0.592-1.553	0.852	0.789	0.464-1.343	0.383
Sex	1.305	0.766-2.223	0.327	1.430	0.798-2.563	0.230
Differentiation	0.808	0.582-1.122	0.202	0.804	0.561-1.152	0.235
Squamous or not	1.347	0.770-2.356	0.297	1.357	0.728-2.532	0.337
Tumor	1.893	1.275-2.810	0.002	2.044	1.308-3.195	0.002
Node	2.183	1.656-2.877	<0.001	2.154	1.595-2.908	<0.001
CD133	0.982	0.566-1.704	0.947	1.054	0.577-1.926	0.865
OCT-4	1.298	0.762-2.211	0.337	1.268	0.705-2.281	0.428
CD8	0.496	0.288-0.854	0.011	0.486	0.267-0.884	0.018
CD56	0.727	0.417-1.266	0.259	0.582	0.315-1.077	0.085
HLA I	0.905	0.552-1.484	0.693	0.879	0.510-1.514	0.641
PD-L1	0.961	0.566-1.630	0.883	1.057	0.598-1.867	0.850