Table 1.
Patients with gastroparesis referred to a tertiary care center between May 2016 and July 2017
| Classification | Total | Chronic scheduled opioids | PRN opioids | No opioids |
| Idiopathic | 122 | 23 | 6 | 93 |
| Diabetic | 62 | 15 | 9 | 38 |
| Post-surgical1 | 20 | 2 | 5 | 13 |
| Atypical2 | 19 | 3 | 2 | 14 |
| Total | 223 | 43 | 22 | 158 |
1
Post-surgical gastroparesis consisted of patients with history of duodenal-jejunostomy, esophagectomy, fundoplication, gastric sleeve, gastric banding, gastric bypass, hiatal hernia repair, and vagotomy with pyloroplasty.
2
Atypical gastroparesis consisted of gastroparesis patients with history of Bulimia, Complex Regional Pain Syndrome, Ehlers Danlos Syndrome, Lupus, Parkinson’s Disease, Reflux Sympathetic Dystrophy, Scleroderma and Sjogren’s Syndrome.