Table 2. The clinical features of patients with ESCC in the TCGA and GEO cohorts.

GEO
Gender	Female	33	Stage	I	10
	Male	146		II	77
Age	<=60	99		III	92
	>60	80	T	T1	12
Alcohol	No	73		T2	27
	Yes	106		T3	110
Grade	G1	32		T4	30
	G2	98	N	N0	83
	G3	49		N1	62
Pneumonia	No	164		N2	22
	Yes	15		N3	12
TCGA
Gender	Female	23	T	T1	28
	Male	136		T2	37
Age	<=60	81		T3	75
	>60	78		T4	4
Grade	G1	16		unknow	15
	G2	65	Stage	I	16
	G3	43		II	68
	GX	35		III	48
Alcohol	No	46		IV	8
	Yes	110		unknow	19