High Joule heat as a risk factor for post-endoscopic submucosal dissection electrocoagulation syndrome: A multicenter prospective study

Table 1 Baseline characteristics of eligible patients

Patient features
Number of patients	202
Male, n (%)	147 (72.8)
Age (years), mean ± SD	69.9 ± 10.1
BMI (kg/m2), mean ± SD	23.7 ± 3.6
Specimen size (mm), mean ± SD	31.7 ± 12.8
Tumor location, n (%)
Right colon	81 (40.1)
Left colon	61 (30.2)
Rectum	60 (29.7)
Tumor morphology, n (%)
0-Is/Ip	88 (43.6)
LST-G	97 (48.0)
LST-NG (0-IIc)	17 (8.4)
ECOG performance status after ESD, n (%)
0	194 (96.0)
≥ 1	8 (4.0)

BMI: Body mass index; Is: Sessile type; Ip: Pedunculated type; LST-G: Lateral spreading tumor granular type; LST-NG: Lateral spreading tumor non-granular type; IIc: Superficial depressed type; ECOG: Eastern Cooperative Oncology Group; ESD: Endoscopic submucosal dissection.