Table 1.
Demographic characteristics of the study population (n = 580).
| Age (years; mean ± SD) | 40.64 ± 6.91 |
| BMI (kg/m2, mean ± SD) | 22.66 ± 4.28 |
| Timing follow-up (months mean ± SD) | 37.30 ± 19.75 |
| BE location (n, %) | |
| Rectum | 158 (27.2%) |
| Rectosigmoid junction | 199 (34.3%) |
| Sigma | 203 (35%) |
| Cecum/ileum/appendix | 20 (3.5%) |
| BE dimension (n, %) | |
| <2 cm | 215 (37.1%) |
| ≥2 cm and <3 cm | 212 (36.5%) |
| ≥3 cm | 153 (26.4%) |
| Intestinal lumen stenosis (evaluated at DCBE; n, %) | |
| No stenosis | 293 (50.5%) |
| <30% | 133 (22.9%) |
| ≥30% and <50% | 123 (21.2%) |
| ≥50% | 31 (5.4%) |
| Number of BE nodules (n, %) | |
| 1 | 517 (89.1%) |
| 2 | 62 (10.7%) |
| 3 | 1 (0.2%) |
BE: bowel endometriosis; BMI: body mass index; DCBE: double contrast bowel enema.