Table 4. Association Between Driver Mutations and Age and Gender in Lung Adenocarcinoma From Never Smokers.

	HER2			EML4-ALK			KRAS			ROS1
Characteristics	Mutant	Wild type	P	Mutant	Wild type	P	Mutant	Wild type	P	Mutant	Wild type	P
Age, years	52.8	57.6	0.107	59.3	57.3	0.540	62.0	57.3	0.359	46.5	57.5	0.128
SD	5.4	10.3		9.8	10.2		3.4	10.2		2.1	10.2
Gender
Male	1	42	0.467	4	39	0.228	3	40	0.032	0	43	1.000
Female	11	148		6	150		1	155		2	154