Table 1.

Clinical characteristics of patients in all cohorts

Variables	EHBH cohort 1 (n = 65)	EHBH cohort 2 (n = 104)	EHBH cohort 3 (n = 27)	EHBH cohort 4 (n = 45)	TCGA cohort (n = 25)	Immunotherapy cohort (n = 35)
Gender
Female	10	12	1	5	12	2
Male	55	92	26	40	13	33
Age
> 60	26	32	2	27	12	6
≤ 60	39	72	25	18	13	29
Stage
I	48	93	17	36	6	1
II	2	0	4	5	8	1
III	5	7	0	3	8	15
IV	10	4	6	1	1	17
Unknown	0	0	0	0	2	1
Metastasis
M0	55	100	21	44	20	16
M1	10	4	6	1	1	17
Mx	0	0	0	0	4	2