Table 4: Results for lesions in region L.

Group P ( )Group R
( )
value

Mean decrease in Hb (g/dL ± SD) 0.56
Mean procedure time (min ± SD) 0.002
Incidence of perforation, % ( )0.0 (0)0.0 (0)
Incidence of clip use, % ( )13.5 (5)27.3 (3)0.28
Incidence of muscle injury, % ( )5.4 (2)18.2 (2)0.18
Incidence of postoperative fever, % ( )2.7 (1)0.0 (0)0.58
Incidence of postoperative bleeding, % ( )5.4 (2)18.2 (2)0.18
Percentage of patients who resumed eating on the day after ESD, % ( )100 (37)81.8 (9)0.008

Hb: hemoglobin. SD: standard deviation.