Demographics and patient characteristics*
| G-POEM (n=80) | |
| Age—years | 49.3±14.9 |
| Sex—no. (%) | |
| Male | 23 (28.7%) |
| Female | 57 (71.3%) |
| BMI—kg/m2 | 26.14±5.99 |
| Previous treatment—no. (%) | |
| Prokinetic only | 24 (30%) |
| Prokinetic and botulinum toxin injection | 28 (35%) |
| Prokinetic and transpyloric stenting | 16 (20%) |
| Prokinetic, botulinum toxin injection and transpyloric stenting | 12 (15%) |
| Median disease duration (25th–75th percentiles)—months | 36 (18–61) |
| Average GCSI Score at baseline | 2.8±1.1 |
| GCSI nausea/vomiting score at baseline | 2.5±1.4 |
| GCSI fullness/early satiety score at baseline | 3.4±1.2 |
| GCSI bloating subscale score at baseline | 2.7±1.5 |
| Gastric retention percent at 4 hours before the G-POEM | 39±22 |
| Median time difference between baseline GES and G-POEM (25th–75th percentiles)—months | 16 (2.5–33.5) |
*± values are means±SD.
BMI, body mass index; GCSI, Gastroparesis Cardinal Symptom Index; GES, gastric emptying scintigraphy; G-POEM, gastric per-oral endoscopic myotomy.