Table 1.

Clinical data of LUAD patients in TCGA database.

	Features	Numbers	Percentage %
Gender	Female	254	54.39
	Male	213	45.61
Age (Y)	65.01 ± 10.05
	≤65	227	48.61
	>65	240	51.39
Stage	Stage I	251	53.75
	Stage II	108	23.13
	Stage III	75	16.06
	Stage IV	25	5.35
	Unknown	8	1.71
T	T1	162	34.69
	T2	244	52.25
	T3	39	8.35
	T4	19	4.07
	Unknown	3	0.64
M	M0	314	67.24
	M1	24	5.14
	Unknown	129	27.62
N	N0	300	64.24
	N1	87	18.63
	N2	66	14.13
	N3	2	0.43
	Unknown	12	2.57