Patient characteristics
| Variable | Delayed GE (n=44) | Normal GE (n=17) | p Value |
| Age (mean and range) | 54 (26–87) | 46 (25–63) | NS |
| Gender | 16M:28F | 7M:10F | NS |
| Mean BMI (SEM) | 24.2 (0.7) | 24.9 (1.3) | NS |
| Aetiology | Idiopathic: 35 Diabetic: 5 Postsurgical: 4 | NA | |
| Endoscopy | Normal: 37; hiatal hernia: 4 EoE: 6; EoE: 1 | Normal: 15; hiatal hernia: 0 EoE: 2 | |
| Mean LESP (mm Hg) (SEM) | 24.9 (1.9) | 24.1 (3.9) | NS |
| % with abnormal pH Mean %pH <4.0 (SEM) | 43 7.5 (1.4) | 38 5.4 (1.7) | NS NS |
| Gastroparesis severity | Mild: 25; moderate: 10; severe: 9 | NA | |
| Enteral use | 4 | NA |
BMI, body mass index; EoE, erosive oesophagitis; GE, gastric emptying; LESP, Lower Oesophageal Sphincter.