Group

No. of cases

Age (years, Mean ± SD)

Sex (M/F)

Endoscopic resection mode

(APC/EMR)

Control

426

44.83 ± 11.72

216/210

348/78

Experimental

427

47.33 ± 10.41

209/218

344/83

X²/t value

0.38

0.26

0.18

P-value

0.63

0.61

0.67