Pathological examination results | EMR | ESD | P-value |
adenomatous polyp | 51 (71.83) | 10 (34.48) | <0.01 |
inflammatory polyp | 17 (23.94) | 3 (10.34) | >0.05 |
benign tumors | 3 (4.23) | 10 (34.48) | <0.01 |
malignant tumors | 0 (0.00) | 5 (17.24) | <0.01 |
hyperplastic polyp | 0 (0.00) | 1 (3.45) | >0.05 |