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Patient characteristics
| Variable | Manometry type
|
|
|---|---|---|
| Water perfusion | High resolution | |
| Patients, n | 20 | 21 |
| Male:female | 5:15 | 6:15 |
| Mean age, years | 46 | 52 |
| Indication, n | ||
| GERD (pH probe placement) | 7 | 13 |
| Dysphagia | 9 | 4 |
| Preoperative assessment | 1 | 0 |
| Other | 3 | 4 |
| Diagnosis*, n | ||
| Low LES pressure | 9 | 10 |
| Hiatus hernia | 4 | 4 |
| Normal | 3 | 5 |
| Ineffective motility | 5 | 2 |
| Achalasia | 1 | 0 |
Some patients had more than one diagnosis. GERD Gastroesophageal reflux disease; LES Lower esophageal sphincter
