Clinical Study
Comparison of Outcomes of Colorectal Polypectomy Using Traditional Snare and Rotary Snare: A Prospective Randomized Controlled Trial
Table 2
The characteristics of evaluated polyps.
| | Variables | Overall | Snare type | value | | The rotary snare | The traditional snare |
| | No. of polyps evaluated | 446 | 214 | 232 | 0.256 | | Polyps per patient, | 2.23 | 2.14 | 2.32 | 0.685 | | Polyp size, | | | | 0.178 | | <10 mm | 365 | 171 | 194 | | | 10-19 mm | 71 | 36 | 35 | | | 20-29 mm | 9 | 4 | 5 | | | >30 mm | 3 | 0 | 3 | | | Morphology, (%) | | | | 0.916 | | Pedunculated | 90 (20.2) | 41 (19.4) | 49 (20.9) | | | Sessile | 195 (43.7) | 94 (44.5) | 101 (43.0) | | | Flat | 161 (36.1) | 76 (36.1) | 85 (3 6.1) | | | Anatomical location, (%) | | | | 0.139 | | Right colon | 195 (43.7) | 102 (48.3) | 93 (39.6) | | | Left colon | 251 (56.3) | 109 (51.7) | 142 (60.4) | | | Access | | | | 0.577 | | Easy | 96 | 43 | 53 | | | Difficult | 350 | 168 | 182 | | | Pathologic diagnosis, (%) | | | | 0.416 | | Tubular adenoma | 139 (69.5) | 70 (70.0) | 69 (69.0) | | | Tubulovillous adenoma | 15 (7.5) | 7 (7.0) | 8 (8.0) | | | Serrated adenoma | 3 (1.5) | 3 (3.0) | 0 (0.0) | | | Hyperplastic polyps | 11 (5.5) | 7 (7.0) | 4 (4.0) | | | Inflammatory polyp | 32 (16.0) | 13 (13.0) | 19 (19.0) | |
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Right colon refers to proximal to splenic flexure; left colon refers to distal to splenic flexure.
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