Table 1.

The clinical characteristics of esophageal squamous cell cancer (ESCC) patients in this study.

Clinical characteristics	Total cases (Mutation cohort)	Total cases (CNV cohort)	Total cases (GSE53624)
Gender
Male	170	122	98
Female	22	32	21
Age	a
	104 (>=59)	84 (>=58)	66 (>=59)
	87 (<59)	70 (<58)	53 (<59)
TNM stage
I+II	106	86	53
III	86	68	66
N stage
N = 0	102	79	54
N > 0	90	75	65
T stage
T1+T2	48	31	28
T3+T4	144	123	91
Drinking status
Drinker	17	33	74
Non-drinker	175	121	45
Smoking status
Smoker	153	104	80
Non-smoker	39	50	39
Survival	b	c
Status
Death	84	73	73
Survival	84	78	46
Median survival time (days)	902	751	32.2 (months)

^aAge information of one ESCC patient is missing.

^bSurvival information of 24 ESCC patients is missing.

^cSurvival information of three ESCC patients is missing.