Table 3. Summary of the predictors for BE in the external validation cohort^*.

External validation cohort
N	477
CLE	67 (14.0%)
IM≥2 cm	21 (4.4%)
Age (yrs)	54.7 (14.7)
Sex(male)	217 (45.5%)
Heartburn
Never & Sometimes	314 (66.4%)
Often & Daily	159 (33.6%)
Acid reflux
Never & Sometimes	329 (69.6%)
Often & Daily	144 (30.4%)
Chest Pain
No	184 (38.9%)
Yes	289 (61.1%)
Abdominal pain
No	159 (33.6%)
Yes	314 (66.4%)
Anti-reflux medication
No	188 (39.7%)
Yes	285 (60.3%)

^*Data shown are mean (SD) for continuous variables and number (percentage) for categorical variables.