Table 3.

Results of a multiple variable analysis for predictors of nodal involvement in clinical stage T1aN0M0 lung adenocarcinomas

Variable	OR	95% CI for HR	P value
GGO status	44.212	7.901 to 247.39	<0.001
Symptoms	6.501	1.179 to 35.84	0.032
CEA	7.854	1.486 to 41.524	0.015

CEA, carcinoembryonic antigen; CI, confidence interval; GGO, ground glass opacity; HR, Hazard Ratio.