Table 3: Results for lesions in region U/M.

Group P ( )Group R
( )
value

Mean decrease in Hb (g/dL ± SD) 0.55
Mean procedure time (min ± SD) 0.28
Incidence of perforation, % ( )0.0 (0)3.6 (1)0.49
Incidence of clip use, % ( )38.5 (5)57.1 (16)0.27
Incidence of muscle injury, % ( )15.4 (2)28.6 (8)0.36
Incidence of postoperative fever, % ( )7.7 (1)10.7 (3)0.76
Incidence of postoperative bleeding, % ( )0.0 (0)3.6 (1)0.49
Percentage of patients who resumed eating on the day after ESD, % ( )76.9 (10)82.1 (23)0.81

Hb: hemoglobin. SD: standard deviation.