Patient demographics
| IND progressed to HGD n=2 | IND progressed to LGD n=6 | No IND progression n=20 | All IND n=28 | |
| Age (years), mean | 57 | 61.17 | 65.2 | 63.75 |
| Sex (male) | 2/2 (100%) | 5/6 (83.33%) | 10/20 (50%) | 17/28 (60.71 %) |
| Hiatal hernia | 1/2 (50%) | 1/6 (16.67%) | 7/20 (35%) | 9/28 (32.14%) |
| Length mean (cm) | 7.5 | 4 | 3.68 | 4.04 |
| Patients had 1-year follow-up exam | 2/2 (100%) | 6/6 (100%) | 20/20 (100%) | 28/28 (100%) |
| 2-year follow-up | 2/2 (100%) | 4/6 (66.67%) | 16/20 (80%) | 22/28 (78.57%) |
| 3-year follow-up | 2/2 (100%) | 2/6 (33.33%) | 11/20 (55%) | 15/28 (53.57%) |
HGD, high-grade dysplasia; IND, indefinite for dysplasia; LGD, low-grade dysplasia.