Table 1 Demographic, risk factor, clinical characteristics, and LOH frequency of ESCC patients (N = 26)

1

SHE0043

72/M

lower

3/II

Y

N

Y

N

N

deceased

29.6

0.951

2

SHE0133

55/M

lower

1/III

Y

Y

Y

N

N

deceased

36.5

0.907

3

SHE0200

46/M

middle

1/III

Y

Y

Y

Y

Y

deceased

45

0.875

4

SHE0204

51/M

middle

2/III

N

Y

Y

N

N

alive

64.9

0.345

5

SHE0223

60/M

middle

2/III

N

Y

N

N

Y

deceased

34.8

0.807

6

SHE0297

64/M

middle

4/III

Y

Y

Y

Y

N

deceased

6.9

0.596

7

SHE0362

52/M

middle

2/I

Y

Y

Y

Y

Y

alive

58.1

0.236

8

SHE0366

46/M

lower

3/II

Y

N

Y

Y

N

deceased

26.2

0.849

9

SHE0633

63/M

lower

3/III

N

Y

Y

N

Y

deceased

26.5

0.635

10

SHE0758

54/M

lower

3/III

N

N

Y

N

N

deceased

6.6

0.267

11

SHE0782

49/F

middle

2/II

Y

Y

N

N

Y

deceased

29.6

0.211

12

SHE0816

58/M

upper

3/III

N

Y

Y

Y

Y

deceased

30.7

0.262

13

SHE0832

52/M

middle

3/II

N

Y

Y

Y

Y

alive

42.5

0.215

0.219

14

SHE0848

62/F

middle

3/II

N

N

Y

N

Y

alive

39.0

0.384

15

SHE0863

51/M

upper

3/II

N

N

Y

Y

Y

alive

39.4

0.567

16

SHE0864

55/M

middle

4/II

Y

N

Y

Y

Y

deceased

10.8

0.204

0.197

17

SHE0878

67/M

lower

3/I

N

Y

Y

Y

Y

deceased

2.2

0.806

18

SHE0905

58/F

middle

3/II

N

N

N

N

Y

alive

35.5

0.188

19

SHE0912

45/M

middle

3/II

Y

N

Y

N

Y

deceased

31.2

0.747

20

SHE0921

64/M

lower

3/III

N

Y

Y

Y

Y

deceased

13.2

0.246

21

SHE1255

61/M

middle

2/II

Y

Y

N

Y

Y

deceased

20.0

0.567

22

SHE1264

68/M

middle

3/II

Y

N

Y

Y

N

deceased

16.2

0.27

0.267

23

SHE1301

64/M

middle

3/II

Y

Y

N

N

Y

alive

23.2

0.233

24

SHE1310

55/F

middle

2/II

Y

N

N

N

Y

unknown

-

0.593

25

SHE1408

63/M

middle

3/II

N

N

Y

Y

N

deceased

23.3

0.224

26

SHE1490

52/M

middle

3/II

N

N

Y

Y

Y

alive

20.0

0.3

0.287