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Distribution of pre-operative abnormalities in patients with severe GERD.
| N = 102 (%) | |
|---|---|
| LES pressure <5 mmHg | 33 (32.4) |
| Distal esophageal amplitude <30 mmHg | 4 (3.9) |
| Biopsy-proven Barrett's metaplasia | 34 (33.3) |
| Presence of a stricture | 0 (0) |
| Grade C or D esophagitis on endoscopy | 6 (5.8) |
| DeMeester score > 50 | 50 (49) |
