Table 2

Preprandial and postprandial oesophageal acid exposure measured 55 mm (conventional reflux) and 5 mm (short segment reflux) above the squamocolumnar junction

% time pH <4 (Preprandial)% time pH <4 (Postprandial)
Conventional reflux1.6 (0–6.7)2.8 (0–9.3)
Short segment reflux14.2 (1.5–57.6)21.8 (1–55.5)
p<0.001p<0.001