Table 3.

Univariate and multivariate analysis predicting CEACAM6 overexpression in lung adenocarcinoma.

		Univariate	Multivariate
		OR (95% CI)	P-value*	OR (95% CI)	P-value*
Age		1.3747 (0.5096–3.7082)	0.5285	–	–
Gender	Male	Reference		–	–
	Female	3.8889 X 103 (0–2.8085 X 1012)	0.4259	–	–
Stage	I	Reference		–	–
	II	0.2484(0–3.4530 X 1012)	0.9278	–	–
	III	0.0011(0–7.7045 X 1013)	0.7289	–	–
	IV	0 (0–8.0545 X 1025)	0.2962	–	–
Smoking	Current smoker	Reference		Reference
	Ex-smoker	6.3226 X 1020 (8.1209 X 102–4.9225 X 1038)	0.0228	6.5863 X 1019 (9.2860 X 10–4.6716 X 1037)	0.0297
	Non-smoker	3.4659 X 1024 (4.2514 X 109–2.8255 X 1039)	0.0013	5.1067 X 1021 (3.6028 X 106–7.2383 X 1036)	0.0051
EGFR mutation	Wild	Reference		reference
	Mutant	1.7641 X 1011 (1.5211 X 102–2.0460 X 1020)	0.0152	5.3840 X 108 (0.31110–9.3170 X 1017)	0.0639

* P-value was obtained from linear regression.