Table II.

Cox regression analysis of the progression-free survival and overall survival rates.

	Progression-free survival			Overall survival
Variables	HR	95% CI	P-value	HR	95% CI	P-value
Gender (female/male)	1.665	0.710–3.416	0.251	1.436	0.815–3.317	0.342
Age (≤48/>48)	1.16	0.816–1.221	0.914	0.875	0.657–1.149	0.764
β-catenin (high/low)	1.417	0.857–2.124	0.612	1.214	0.716–2.151	0.273
N-cadherin (high/low)	2.453	1.325–3.455	0.013a	2.887	1.561–5.176	0.017a
Clinical stage (I and II/III and IV)	2.612	1.724–3.294	0.021	2.429	1.816–3.169	0.024a

^aP<0.05. HR, hazard ratio; CI, confidence interval.