Table 1 Comparison of ESD outcomes between experimental and control groups^†

Specimen size, cm² (mean ± SD^§)

3.9 ± 1.0

3.6 ± 0.2

Dissection time, min (mean ± SD)

15.3 ± 5.6

6.8 ± 0.8

Speed, cm²/min (mean ± SD)

0.3 ± 0.1

0.5 ± 0.1

Injection, mL (mean ± SD)

21.3 ± 2.5

15.6 ± 1.3

En bloc resection, yes/no

13/3

16/0

Severe hemorrhage, yes/no

2/14

0/16

Perforation, yes/no

1/15

0/16

Submucosal fibrosis, yes/no

16/0

0/16