Dynamic characteristics of acid reflux in healthy controls
| Reflux episodes (n) | Duration (minutes)* | |||
|---|---|---|---|---|
| Distal oesophagus | 439 | 0.7 (0.4–1) | ||
| Upright | Supine | Upright | Supine | |
|---|---|---|---|---|
| *Values are mean (95% confidence interval). | ||||
| 329 | 110 | 1.1 (0.1–2.1) | 0.5 (0.4–0.7) | |
| Middle oesophagus | 33 | 1.1 (0.4–1.9) | ||
| 28 | 5 | 0.9 (0.3–1.5) | 2 (0–5) | |
| Proximal oesophagus | 5 | 0.6 (0.2–0.9) | ||
| 4 | 1 | 0.5 (0–1.1) | 0.5 (0.1.8) | |