Table 1.

Patient characteristics for TCGA_LUAD cohort.

		Total (n = 428)	HAS group (n = 214)	LAS group (n = 214)	Fisher’s Exact Test (P value)
Age	<=65	206	111	95	0.142
	>65	212	98	114
	NA	10	5	5
Gender	female	238	111	127	0.144
	male	190	103	87
race	american indian or alaska native	1	1	0	0.154
	asian	8	6	2
	black or african american	47	19	28
	white	330	168	162
	NA	42	20	22
OS	Alive	321	146	175	0.002
	Dead	107	68	39
AJCC	I	245	105	140	0.004
	II	103	59	44
	III	59	38	21
	IV	14	9	5
	NA	7	3	4
T stage	T1	149	56	93	0.002
	T2	231	130	101
	T3	36	22	14
	T4	11	5	6
	TX	1	1	0
N stage	N0	292	130	162	0.001
	N1	77	47	30
	N2	50	35	15
	N3	2	1	1
	NX	6	1	5
	NA	1	0	1
M stage	M0	286	147	139	0.313
	M1	14	9	5
	MX	124	56	68
	NA	4	2	2

The “NA” represents sample with missing clinical information. Samples with missing clinical information were not considered in Fisher’s Exact Test statistics.