Characteristics of endoscopic surveillance
| Characteristic | |
| Total no of colonoscopies | 146 |
| Median (range) no of colonoscopies per patient | 2.0 (1–11) |
| Mean±SD (range) age at first colonoscopy (years) | 50.8±12.2 (22–71) |
| Mean±SD (range) age at last colonoscopy (years) | 56.1±12.6 (24–78) |
| Median (range) follow-up (years) | 2.0 (0–30) |
| Median (range) colonoscopy surveillance interval (years) | 1.0 (0.5–6.0) |
| No of patients with EGD screening | 22 |
| No of patients with serrated polyps/adenomas on EGD | 0 |
| Mean±SD (range) age at EGD screening (years) | 55.6±12 (29–77) |
EGD, oesophogastroduodenoscopy.