Number, pH nadir, and mean length of reflux episodes, recorded 55 mm (conventional reflux) and 5 mm (short segment reflux) above the squamocolumnar junction
| No of reflux episodes | Reflux pH nadir | Mean length of reflux episode (s) | |
|---|---|---|---|
| Conventional reflux | 33 (14–53) | 2.9 (1.9–4.0) | 50 (19–110) |
| Short segment reflux | 168 (51–350) | 2.0 (1.4–2.6) | 54 (25–91) |
| p<0.001 | p<0.01 |