Table 1

Demographic data for the four patient groups

Normal oesophagusOesophagitisBarrett's oesophagus new diagnosisBarrett's oesophagus surveillance
PPI, proton pump inhibitor.
Sample size18262228
Mean age (y)62535961
Age range (y)46–9118–8933–8139–77
Sex ratio (M/F)1:31:13:14:1
Reflux symptoms18/18 (100%)20/26 (77%)13/22 (59%)8/28 (29%)
On PPINone5/26 (19%)None28/28