Table 1. Characteristics and outcomes of patients and lesions (before matching)

Values are presented as median (range), number (%), or mean±standard deviation.

LST, laterally spreading tumor; G, granular; NG, non-granular; M, mucosal; SM, submucosal; ESD, endoscopic submucosal dissection; PECS, post-ESD electrocoagulation syndrome; NA, not analyzed.

a)

Two patients developed both delayed bleeding and PECS.

Table 2. Closure outcomes

Values are presented as mean±standard deviation.

Table 3. Characteristics of patients and lesions (after matching)

Values are presented as median (range), number (%), or mean±standard deviation.

LST, laterally spreading tumor; G, granular; NG, non-granular; M, mucosal; SM, submucosal; ESD, endoscopic submucosal dissection.

Table 4. Patient outcomes (after matching)

Values are presented as number (%) or mean±standard deviation.

PECS, post-endoscopic submucosal dissection electrocoagulation syndrome; POD, post operative day; WBC, white blood cell; CRP, C-reactive protein.

a)

One patient developed both delayed bleeding and PECS.

Table 5. Risk factors for abdominal pain on the day after ESD

ESD, endoscopic submucosal dissection; OR, odds ratio; CI, confidence interval.