Total time | Upright | Supine | |
Mean recording time (h) | 21.2 (1.6) | 12.2 (2.2) | 8.7 (1.6) |
% time pH<4 | 2.4 (0.6–7.6) | 2.8 (0.7–8.7) | 0.3 (0–4.9) |
No of acid reflux episodes | 43 (16–91) | 34 (11–69) | 3 (0–16) |
No of acid reflux episodes >5 min | 1 (0–3) | 0 (0–2) | 0 (0–1) |
% time bilirubin absorbance >0.14 | 4.9 (0.8–20.2) | 5.9 (0.9–22.3) | 0 (0–15.4) |
No of DGOR episodes | 15 (4–37) | 12 (3–30) | 0 (0–7) |
No of DGOR episodes >5 min | 2 (0–6) | 2 (0–4) | 0 (0–2) |
Values are shown as mean (SEM) or as median (interquartile range).
DGOR, duodeno-gastro-oesophageal reflux.