Percentage total oesophageal acid (pH<4) and bilirubin (absorption >0.14) reflux times, gastric bilirubin (absorption > 0.14) reflux times, and percentage time gastric pH>4, both off and on omeprazole treatment
| Group 1 (oesophageal bilirubin monitoring) | Group 2 (gastric bilirubin monitoring) | ||||||
|---|---|---|---|---|---|---|---|
| Oesophageal acid reflux (pH<4) | Oesophageal bilirubin reflux | Gastric pH>4 | Oesophageal acid reflux | Gastric bilirubin reflux | Gastric pH>4 | ||
| Off omeprazole | 11 (6.2–43.6)† | 28.9 (5.1–67.3)† | 14.1 (3.6–48.8)3-150 | 10 (1.4–63.6)† | 24.9 (2.4–82.7)† | 14.2 (0.7–25.2)† | |
| On omeprazole | 0.8 (0–7.6) | 2.4 (0–14.9) | 70.3 (18.5–98.5) | 0.2 (0–11) | 7.2 (0–51.7) | 93.7 (6.1–99.8) | |
↵3-150 p<0.05 off v on omeprazole, †p<0.005 offv on omeprazole.