Table 2 Main characteristics of the 178 patients with EC enrolled in Jinling Hospital

Age, years

66.7

9.0

Sex

 Male

162

79.8

 Female

41

20.2

 Body mass index, kg/m²

22.6

3.3

T stage

 1

37

18.2

 2

52

25.6

 3

103

50.8

 4

11

5.4

N stage

 0

102

50.2

 1

68

33.5

 2

29

14.3

 3

4

2.0

Histology

 ESCC

180

88.7

 EAC

14

6.9

 Others

9

4.4

 Serum creatinine, mg/dL

0.75

0.18

 Serum cystatin C, mg/L

1.17

0.29

 SI

64.7

12.0

 Serum albumin, g/L

40.2

4.3

 Serum prealbumin, mg/L

264.4

52.9

 SMI, cm²/m²

40.9

6.3

 Sarcopenia

76

37.4