| Type of surgery | Number of cases | Percentage |
| Sleeve gastrectomy | 9 | 50% |
| Gastric bypass | 6 | 33.3% |
| Gastroplasty | 1 | 5.5% |
| Roux-Y gastric bypass | 1 | 5.5% |
| Gastric banding | 1 | 5.5% |