Table 2.

Clinical characteristics of STAD patients in the TCGA database

Characteristics		Total	%
All		338	100.00
Age (y)	≥65	189	55.92
	< 65	149	44.08
Gender	Male	216	63.91
	Female	122	36.09
Grade	G1	7	2.07
	G2	116	34.32
	G3	215	63.61
	G4	0	0.00
Stage	I	42	12.43
	II	112	33.14
	III	153	45.27
	IV	31	9.17
T stage	T1	15	4.44
	T2	72	21.30
	T3	167	49.41
	T4	84	24.85
M stage	M0	319	94.38
	M1	19	5.62
N stage	N0	104	30.77
	N1	95	28.11
	N2	71	21.01
	N3	68	20.12