Demographic data for healthy controls and patients with mild or moderate reflux oesophagitis scanned using a three dimensional ultrasonographic system
| Healthy subjects | Patients | p Value | |
|---|---|---|---|
| No patients | 20 | 20 | NS |
| Male/female ratio | 7/13 | 7/13 | NS |
| Age (y) (mean (range)) | 43 (27–62) | 42 (25–57) | NS |
| Weight (kg) (mean (SD)) | 69.9 (12.3) | 83.2 (8.9) | 0.0004 |
| Height (cm) (mean (SD)) | 171.8 (10.0) | 176.2 (9.4) | NS |
| Body mass index (kg/m2) | 23 (19–28) | 27 (20–38) | 0.003 |
| Oesophagitis grade I/II | — | 14/6 | — |
| Hiatal hernia (n) | — | 10 | — |
| Mean length of hiatal hernia (cm) | — | 2.9 | — |