Table 1.
Patient Characteristics and Outcomes for Study Cohort
| Age | Years (range) |
| Mean age | 29 (19-49) |
| Mean age at symptom onset | 21 (10-40) |
| Comorbidity | n (%) |
| POTS | 19 (73) |
| Joint hypermobility syndrome | 7 (27) |
| Superior mesenteric artery syndrome | 3 (11) |
| MCAS | 2 (8) |
| Mitochondrial disorder | 2 (8) |
| Median arcuate ligament syndrome | 1 (4) |
| Route of nutrition | n (%) |
| Regular diet or adjusted diet/supplementation | 13 (50) |
| PEG and/or J tube | 6 (23) |
| Parenteral nutrition | 7 (27) |
| Intervention | n (%) |
| Pyloric botulinum toxin | 7 (27) |
| Gastric electrical stimulation | 3 (11) |
| G-POEM | 2 (8) |
| Gastric surgery | 2 (8) |
G-POEM, gastric peroral endoscopic myotomy; J, jejunostomy; MCAS, mast cell activation syndrome; PEG, percutaneous endoscopic gastrostomy; POTS, postural orthostatic tachycardia syndrome.