Group

No. of cases

Age (years, Mean ± SD)

Sex

(M/F)

Endoscopic resection mode

(APC/EMR)

Control

443

42.82 ± 10.66

216/227

352/91

Experimental

443

46.36 ± 10.42

223/220

348/95

X²/t value

0.48

0.221

0.109

P-value

0.66

0.638

0.741