Table 4.

Univariate and Multivariate Cox Regression Analysis of DDR1 Expression

	Univariate Analysis		Multivariate Analysis
	HR (95% CI)	P Value	HR (95% CI)	P Value
Age (years)		.601		.925
≤65	1 (Ref.)		1 (Ref.)
>65	1.200 (0.601-2.385)		1.033 (0.513-2.067)
Sex		.097		.222
Female	1 (Ref.)		1 (Ref.)
Male	1.865 (0.898-4.241)		1.636 (0.749-3.865)
Stage		<.001		<.001
I/II	1 (Ref.)		1 (Ref.)
III/IV	14.635 (6.415-39.442)		11.737 (4.998-32.284)
Histologic type		.448		.135
Poorly	1 (Ref.)		1 (Ref.)
Well	1.305 (0.658-2.627)		1.737 (0.840-3.617)
DDR1		<.001		.049
Negative	1 (Ref.)		1 (Ref.)
Positive	4.108 (2.059-8.234)		2.066 (1.004-4.281)