Table 3.

Multivariate analysis

Clinicopathologic features	HR	95% CI	P
Invasion depth (T3/T4 vs. T1/T2)	1.170	0.525-2.611	0.701
Lymph node (positive vs. negative)	2.464	1.049-5.786	0.038*
HOXD4 (high vs. low)	2.253	1.028-4.979	0.044*

*P<0.05 by Cox regression test. HOXD4: Homeobox D4; HR: Hazard ratio; CI: Confidence interval