Table 4.

Multivariate Cox analysis of clinicopathological parameters and microRNAs

Variables	n	HR	95% CI	P-value
N stage	237	1.355	1.080–1.702	0.009
Metastasis	237	1.845	0.870–3.914	0.110
hsa-mir-16-2	237	0.556	0.379–0.817	0.003
hsa-mir-484	237	1.560	1.043–2.332	0.030
hsa-mir-31	237	0.486	0.333–0.711	0.000
hsa-mir-877	237	1.476	0.968–2.251	0.071
hsa-mir-937	237	1.223	0.815–1.837	0.331
hsa-let-7b	237	0.670	0.437–1.027	0.066