Table 2.

Multivariate cox regression analysis of factors associated with OS in ESCC

Variable	Training group (n = 93)			Test group (n = 102)
	95% CI	RR	P	95% CI	RR	P
Sex (male vs. female)	0.194–1.405	0.522	0.198	0.268–1.214	0.570	0.145
Age (≤60 vs. > 60 years)	0.796–2.877	1.514	0.206	0.573–1.674	0.980	0.940
Tumor size (≤5 cm vs. > 5 cm)	0.667–2.119	1.189	0.558	0.396–1.229	0.698	0.213
Tumor stages (T1 + T2 vs. T3+ T4)	0.643–3.247	1.445	0.373	0.555–2.548	1.189	0.656
Histologic grade (Well/ moderate vs. Poor/NS)	0.880–3.517	1.759	0.110	0.491–1.852	0.954	0.889
Lymph node metastasis (negative vs. positive)	0.109–4.526	0.702	0.709	0.306–1.951	0.773	0.586
Clinical stages (I + II vs. III + IV)	0.297–12.497	12.806	0.487	0.616–4.530	1.670	0.314
miR-10b-3p expression levels (Low vs. High)	1.355–7.062	3.093	0.007	1.678–7.913	3.644	0.001