Table 4.

Treatment outcomes between the Splash M-knife and control groups after propensity score matching

	ESD-M n = 45	ESD-F n = 45	p value
Usage rate of hemostatic forceps	3 (6.7%)	38 (84.4%)	< 0.001* ‡
Procedure time(min)
Mean ± SD	83.7 ± 48.5	84.2 ± 62.3	0.961¶
Median(range)	74.0 (21–240)	71.0 (18–410)	0.90§
En bloc resection	44 (100%)	44 (100%)	1‡
Complete resection	43 (95.6%)	44 (100%)	0.494‡
Perforation	0 (0%)	0 (0%)	1‡
Post-procedure bleeding	1 (2.2%)	1 (2.2%)	1‡

ESD-M endoscopic submucosal dissection with Splash M-knife, ESD-F endoscopic submucosal dissection with Flush Knife BT, SD standard deviation

p value was calculated using Fisher’s exact test ^‡ for categorical data

p value was calculated using the t test ^¶ and the Mann-Whitney U test ^§ for continuous data

^*significant value