Table 1.

The clinical data of the 5 independent cohorts.

	TCGA (n=341)	GSE84437 (n=431)	GSE62254 (n=300)	GSE15459 (n=191)	GSE26901 (n=109)
Survival status
alive	200	224	148	96	54
dead	141	207	152	95	55
Age
>65	184	150	97	105	24
<=65	154	283	136	87	85
gender
female	115	137	74	67	40
male	223	296	159	125	69
grade
G1-2	131
G3	201
stage T
T1-2	88	49
T3	156	92
T4	93	292
stage N
N0	100	80
N1	91	188
N2	71	132
N3	68	33
stage M
M0	304
M1	23
stage TNM
I-II	152		139	60	58
III	140		75	72	36
IV	35		19	60	15
Laurenclassification
Diffuse		102	122	75	11
Intestinal		119	105	99	82
Mixed		10	6	18	5
Perineural Invasion
YES			86
NO			147
lymphovascular
YES			171
NO			62
Subtype
Invasive				51
Metabolic				40
Proliferative				70
Unstable				31
stage M
M0	304				102
M1	23				7
Adjuvant.chem
YES					39
NO					70
Location
antrum					56
body					36
entire					4
fundus					13