2.

定性变量以及单因素分析结果

The qualitative variables and the results of univariate analysis

Variables		Lymph node group (n=81)	Lung adenocarcinoma group (n=60)	P
Gender	Male	41	28	0.643
	Female	40	32
Lobulation	Yes	17	44	< 0.001
	No	64	16
Spiculation	Yes	16	40	< 0.001
	No	65	20
Smoking status	Yes	27	18	0.675
	No	54	42
Family history of lung cancer	Yes	1	2	0.393
	No	80	58