Table 4.

Multivariate survival model after variable selection.

Clinicopathologic variable	OS
	HR (95%CI)	p value
Age	1.01 (0.99–1.03)	0.334
Gender	1.00 (0.68–1.45)	0.981
Stage	2.17 (1.35–3.51)	0.001
T	1.16 (0.90–1.47)	0.248
M	0.32 (0.10–1.11)	0.073
N	0.93 (0.62–1.39)	0.711
MND1 expression	1.52 (1.18–1.97)	0.001