Novel intermittent electrocoagulation technique reduces post-endoscopic submucosal dissection electrocoagulation syndrome in colorectal neoplasms

Table 1 Baseline demographic and clinical characteristics of patients, n (%)/median (interquartile range)

	I-ESD (n = 94)	C-ESD (n = 105)	P value
Age, years	62 (53-68)	60 (53-67)	0.3952
Sex			0.196
Male	46 (48.9)	61 (58.1)
Female	48 (51.1)	44 (41.9)
Body mass index, kg/m2	23.5 (21.3-25.1)	23.9 (21.5-25.5)	0.366
History of malignancy	12 (12.8)	9 (8.6)	0.336
ASA			1.0001
1	46 (48.9)	52 (49.5)
2	48 (51.1)	53 (50.5)
3	0	0
Location			0.115
Right side of colon	48 (51.1)	47 (44.8)
Left side of colon	20 (21.3)	15 (14.3)
Rectum	26 (27.7)	43 (41.0)
Origination			0.8551
Mucosa	78 (83.0)	86 (81.9)
Submucosa	16 (17.0)	19 (18.1)
Muscularis propria	0	0
Macroscopic type
LST classification			0.002
LST-G	6 (11.8)	22 (37.3)
LST-NG	45 (88.2)	37 (62.7)
Paris classification			0.359
0-I	22 (28.2)	30 (28.6)
0-II	56 (71.8)	56 (65.1)
NICE classification			0.2581
1	6 (7.7)	4 (4.7)
2	66 (84.6)	69 (80.2)
3	6 (7.7)	13 (15.1)

¹Fisher’s exact test.

²Wilcoxon rank-sum test.

I-ESD: Intermittent electrocoagulation; C-ESD: Conventional continuous electrocoagulation; ASA: American Society of Anesthesiologists physical status classification; LST: Laterally spreading tumor; NICE: Narrow-band imaging International colorectal endoscopic classification.