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Characteristics of the patients
| Conventional clip group, n | Over-the-scope clip group, n | P value1 | |
| Patients | 12 | 7 | |
| Age (yr), mean ± SD | 62.5 ± 15.8 | 64.3 ± 13.7 | 0.20 |
| Sex, M/F | 8/4 | 5/2 | 0.42 |
| Location of lesions | |||
| 2nd portion | 10 | 5 | 0.31 |
| Bulb | 2 | 2 | 0.40 |
| Resection method (mean ± SD, min) | |||
| EMR | 8 (15.7 ± 3.68) | 4 (14.6 ± 4.57) | 0.52 (0.68) |
| ESD | 4 (45.7 ± 12.51) | 3 (55.7 ± 16.35) | 0.43 (0.43) |
Mann-Whitney U test. EMR: Endoscopic mucosal resection; ESD: Endoscopic submucosal dissection.
