Table 3 Analysis of risk factors related to post-ESD bleeding

Age (year, mean ± SD)

66.4 ± 11.3

71.7 ± 8.6

0.005

Gender Man/Woman

16 (69.6%)/7 (30.4%)

328 (75.2%)/108 (24.8%)

0.715 (NS)

Tumor location

 U

1 (4.3%)

74 (17.0%)

0.149 (NS)

 M

7 (30.4%)

172 (39.4%)

0.519 (NS)

 L

15 (65.2%)

190 (43.6%)

0.042

Macroscopic type

 Elevated type/Depressed type

16 (69.6%)/7 (30.4%)

240 (54.9%)/196 (55.0%)

0.250 (NS)

Size of resected specimen

(mm, mean ± SD)

49.1 ± 25.8

39.9 ± 14.4

0.005

Tumor size

(mm, mean ± SD)

21.1 ± 17.2

17.0 ± 10.6

0.087 (NS)

Histopathology

 Adenoma/Carcinoma

3 (13.0%)/20 (87.0%)

49 (11.2%)/387 (88.8%)

0.736 (NS)

Depth of invasion

 M/SM

21 (91.3%)/2 (8.7%)

384 (88.1%)/52 (11.9%)

>0.999 (NS)

Ulcerative findings

 None/present

22 (95.7%)/1 (4.3%)

405 (92.9%)/31 (7.1%)

>0.999 (NS)

Resected style

 One-piece/Piecemeal

21 (91.3%)/2 (8.7%)

382 (87.6%)/54 (12.4%)

>0.999 (NS)

Heart disease

4 (17.4%)

68 (15.6%)

0.770 (NS)

Renal disease

3 (13.0%)

18 (4.1%)

0.081 (NS)

Hepatic disease

4 (17.4%)

41 (9.4%)

0.267 (NS)

Pulmonary disease

4 (17.4%)

32 (7.3%)

0.096 (NS)

Brain disease

3 (13.0%)

42 (9.6%)

0.484 (NS)

Hypertension

12 (52.2%)

197 (45.2%)

0.659 (NS)

Diabetes mellitus

4 (17.4%)

71 (16.3%)

0.778 (NS)

Hyperlipidemia

4 (17.4%)

63 (14.4%)

0.760 (NS)