Adenoma characteristics at baseline examination in 1091 patients with, and 1849 patients without, surveillance
| Adenomas | Follow up (n (%)) | No follow up (n (%)) |
|---|---|---|
| Size | ||
| ≤10 mm | 1725 (72.9) | 3338 (69.7) |
| >10 mm | 604 (25.5) | 1415 (29.5) |
| No data | 38 (1.6) | 39 (0.8) |
| Histological type | ||
| Tubular | 1820 (76.9) | 3512 (73.3) |
| Tubulovillous/villous | 508 (21.5) | 1103 (23.0) |
| No data | 39 (1.6) | 177 (3.7) |
| Location | ||
| Rectosigmoid | 1307 (55.2) | 2542 (53.1) |
| Proximal colon | 1060 (44.8) | 2157 (45.0) |
| No data | 0 (0.0) | 93 (1.9) |
| Total | 2367 | 4792 |