Gastroenterology Research and Practice / 2022 / Article / Tab 1 / Research Article
Gel Immersion Endoscopic Mucosal Resection (EMR) for Superficial Nonampullary Duodenal Epithelial Tumors May Reduce Procedure Time Compared with Underwater EMR (with Video) Table 1 Characteristics of patients and lesions.
UEMR GIEMR Patients/lesions 14/14 9/10 0.661 Male 10 (71%) 5 (56%) Female 4 (29%) 4 (44%) Median age (range, years) 62 (41–78) 67 (51–81) 0.162 Location 0.643 Bulb 1 (7%) 2 (20%) Second portion, preampulla 5 (36%) 3 (30%) Second portion, postampulla 8 (57%) 5 (50%) Morphology 0.303 Sessile type 1 (7%) 3 (30%) Superficial elevated type 10 (71%) 6 (60%) Superficial depressed type 3 (21%) 1 (10%) Median tumor diameter size (range, mm) 6 (3–12) 10 (7–18) 0.00772 Histological type 0.103 Adenoma 11 (79%) 5 (50%) Intramucosal carcinoma 3 (21%) 5 (50%) Operators’ experience 0.161 Expert 14 (100%) 8 (80%) Nonexpert 0 (0%) 2 (20%)
1 Fisher’s exact test.
2 Mann–Whitney
test.
3 test. GIEMR: gel immersion endoscopic mucosal resection; UEMR: underwater endoscopic mucosal resection.