Table 1 Demographic and clinical characteristics of 70 patients aged ≥ 85 years who underwent ESD for gastric cancer

Age, years, median (range, IQR)

86 (85–92, 2.0)

Gender, n (%)

 Male

42 (60.0)

 Female

28 (40.0)

ECOG PS, n (%)

 0

41 (58.6)

 1

20 (28.6)

 2

9 (12.9)

Body mass index, kg/m², median (range, IQR)

22.6 (16.2–33.6, 4.0)

Follow-up period, years, median (range, IQR)

6.0 (0.33–13.9, 4.2)

GNRI, mean (± SD)

101.8 (± 9.0)

CCI, n (%)

 0

30 (42.9)

 1

22 (31.4)

 2

7 (10.0)

 3

6 (8.6)

 4

2 (2.9)

 5

2 (2.9)

 6

1 (1.4)

NLR, median (range, IQR)

2.4 (0.7–10.4, 1.3)

PNI, mean (± SD)

47.2 (± 4.9)