Median | 95th percentile | |
Wireless pH capsule monitoring (% time pH <4/24 hours) | 2.0% | 5.3%7 |
Oesophageal impedance monitoring (episodes/24 hours)* | ||
Total reflux | 30 | 7389 |
Acid reflux | 18 | 55 |
Weakly acidic reflux | 9 | 26 |
Weakly alkaline reflux | 0 | 1 |
Total non-acid reflux | 9 | 27 |
Bile acid reflux monitoring (% time bilirubin absorbance level >0.14) | 0.4 | 1.8%80 |