Table 1. Study details and demographics of included patients.
| Study, year | Landreneau, 2019 | Pioppo, 2021 | AbiMansour, 2020 | Clapp, 2022 | |
| Type of study | Case control study | Retrospective | Retrospective | Prospective | |
| Interventions | Group 1: G-POEM Group 2: Laparoscopic pyloroplasty |
Group 1: G-POEM Group 2: Laparoscopic pyloromyotomy |
Group 1: G-POEM Group 2: pyloromyotomy |
Group 1: G-POEM Group 2: Robotic pyloromyotomy |
|
| Total patients | Group 1: 30 Group 2: 30 |
Group 1: 39 Group 2: 63 |
Group 1: 84 Group 2: 28 |
Group 1: 63 Group 2: 48 |
|
| Mean age, (SD) | Group 1: 44.1 (13.5) Group 2: 45.4 (14.5) |
Group 1: 49 (16.5) Group 2: 45.8 (10.3) |
Group 1: 50.6 (16.9) Group 2: 46.2 (17.4) |
Group 1: 43.9 (14.1) Group 2: 47.4 (12.4) |
|
| Female (%) | Group 1: 23 (76.7 %) Group 2: (76.7 %) |
Group 1: 33 (84.6 %) Group 2: 36 (57.1 %) |
Group 1: 63 (75.0 %) Group 2: 22 (78.6 %) |
Group 1: 53 (84.1 %) Group 2: 44 (91.7 %) |
|
| Mean BMI, (SD) | Group 1: 24.9 (7.1) Group 2: 26.1 (6.7) |
Group 1: 27.7 (7.7) Group 2: 27.6 (7.5) |
Group 1: 6.09 (25.1) Group 2: 25.1 (5.2) |
Group 1: 28.7 (8.2) Group 2: 27.3 (5.5) |
|
| Etiology of Gastroparesis | Diabetic | Group 1: 5 Group 2: 5 |
Group 1: 13 Group 2: 14 |
Group 1: 23 Group 2: 3 |
Group 1: NR Group 2: NR |
| Postsurgical | Group 1: 6 Group 2: 6 |
Group 1: 4 Group 2: 16 |
Group 1: 23 Group 2: 12 |
Group 1: NR Group 2: NR |
|
| Idiopathic/ unknown | Group 1: 19 Group 2: 19 |
Group 1: 22 Group 2: 33 |
Group 1: 38 Group 2: 13 |
Group 1: NR Group 2: NR |
|
| Length of follow-up | 90 days | Postoperative | NR | 90 days |
BMI, body mass index; G-POEM, gastric per-oral endoscopic myotomy; NR, not reported; SD, standard deviation.