Percentage of patients achieving more of 5%–10% and 15% TBWL 1 year after the procedure (ie, 12 and 18 months after starting the study (randomisation) in treatment and control group, respectively)
| Treatment | Control | |
| 12 months | 18 months | |
| N | 41 | 16 |
| >5% TBWL | 75.6% | 68.8% |
| >10% TBWL | 51.2% | 50.0% |
| >15% TBWL | 34.1% | 43.8% |
TBWL, total body weight loss.