Supplement 2. Polyps detected in the proximal and distal colon.
| Factor | Proximal colon | Distal colon |
| Number of polyps (total) | 288 | 250 |
|
217 (75.3 %) | 113 (45.2 %) |
|
71 (24.7 %) | 135 (54.0 %) |
|
19 (6.6 %) | 8 (3.2 %) |
|
0 | 2 |
| Large polyps (≥ 10 mm) | 33 (11.5 %) | 35 (14.0 %) |
| Small polyps (6 – 9 mm) | 56 (19.4 %) | 37 (14.8 %) |
| Diminutive polyps (≤ 5 mm) | 199 (69.1 %) | 178 (71.2 %) |
| Mean polyp size (mm), mean (SD) | 5.2 (4.5) | 5.5 (6.0) |
| Pedunculated polyps (Paris class 0-Ip) | 5 (1.7 %) | 18 (7.2 %) |
| Sessile polyps (Paris class 0-Is) | 168 (58.3 %) | 139 (55.6 %) |
| Flat elevated polyps (Paris class 0-IIa) | 103 (35.8 %) | 84 (33.6 %) |
| Flat polyps (Paris class 0-IIb) | 11 (3.8 %) | 7 (2.8 %) |
| Cases with at least 1 polyp (side-specific PDR) | 169 (35.2 %) | 160 (33.8 %) |
| Cases with at least 1 adenoma (side-specific ADR) | 133 (27.7 %) | 88 (18.3 %) |
Values are presented as n (%) unless otherwise noted.
PDR, polyp detection rate; ADR, adenoma detection rate; mm, millimeter; SD standard deviation.