Acid reflux parameters in relation to endoscopic grading of mucosal breaks
| Number of patients | % time pH <4 | Number of reflux episodes | |
|---|---|---|---|
| Normal | 40 | 6.7 (1.0) | 59.5 (12.8) |
| Grade | |||
| A | 50 | 9.3 (1.3) | 106.9 (12.8) |
| B | 50 | 13.7 (2.1) | 138.3 (20.0) |
| C | 9 | 11.7 (3.0) | 135.8 (29.4) |
| D | 10 | 19.1 (6.6) | 163.0 (41.7) |
| C + D | 19 | 15.6 (3.8) | 150.1 (25.5) |
Results expressed as mean (SEM).
Normal versus grade A, B, C, D, p=0.0007; normal + grade A versus grade B, C, D, p=0.003; normal + A, B versus grade C, D, p=0.01.