| Definition | Times used (n) |
| EWL < 50% | 22 |
| IWL or WR not defined | 12 |
| Adjustable gastric band-related complications | 11 |
| WR not defined | 8 |
| IWL not defined | 7 |
| ‘Weight loss failure’ not defined | 4 |
| EWL < 50% and BMI > 35kg/m2, failure of endoscopic management of leak, failure of improvement in HbA1c, intractable vomiting after VBG, IWL <5% of TBW after 3 months or WR, less than 20% or 30% EWL, less than 5% or 10% TWL, minimal WL and intractable belching, no weight loss, recurrence of T2DM with WR, WR specified in case report | 1 each |