Table 1.
Demographic features
| Features | Patients |
| Total | 76 |
| Age (yr) | Mean 40.3 (24-64) |
| Gender | |
| Male | 41 (53.9%) |
| Female | 35 (46.1%) |
| Prior surgery | |
| IRA | 10 (13.2%) |
| IPAA | 66 (86.8%) |
| Chemoprevention | 16 (21.1%) |
| NSAIDS intake | 17 (22.4%) |
| Tobacco exposure | 21 (27.6%) |
| PPI/anti-H2 intake | 14 (18.4%) |
| Family history of GI malignancies | |
| None | 31 (40.8%) |
| 1 member | 32 (42.1%) |
| 2 members | 10 (13.2%) |
| 3 members | 3 (3.9%) |
| Spigelman duodenal stage | |
| 0 | 28 (36.8%) |
| I | 7 (9.2%) |
| II | 34 (44.8%) |
| III | 7 (9.2%) |
| IV | 0 (0.0%) |
IRA: Total colectomy and ileo-rectal anastomosis; IPAA: Total proctocolectomy and ileopouch-anal anastomosis; NSAIDS: Non steroidal anti-inflammatory drugs; PPI: Proton pump inhibitors.