TABLE 1.
Baseline characteristics
| Baseline characteristics | |
|---|---|
| Total cohort size; n | 985 |
| Age at endoscopy; mean ± SD | 57 ± 11.4 |
| Male gender; n (%) | 727 (74%) |
| BMI (kg/m2); mean ± SD | 27 ± 4.3 |
| Smoking | |
| Former/current | 627 (63.7%) |
| No | 267 (27.1%) |
| Unknown | 91 (9.2%) |
| Alcohol use | |
| Former/current | 650 (66.0%) |
| No | 243 (24.7%) |
| Unknown | 92 (9.3%) |
| PPI use | |
| Yes | 882 (89.5%) |
| No | 19 (1.9%) |
| Unknown | 84 (8.5%) |
| Family members with Barrett's esophagus | |
| Yes | 87 (8.8%) |
| No | 679 (68.9%) |
| Unknown | 219 (22.2%) |
| Family members with esophageal cancer | |
| Yes | 73 (7.4%) |
| No | 702 (71.3%) |
| Unknown | 210 (21.3%) |
| Surveillance time; median (IQR) | 7.9 (4.1–12.5) |
| Number of endoscopies; median (IQR) | 4 (3–6) |
| Barrett length (maximum, cm); median (IQR) | 3 (2–5) |
| LGD at baseline; n (%) | 78 (7.9%) |
| Signs of reflux; n (%) | 306 (31.1%) |