| Variables | Pre-surgery Average/Median* | 3 months Average/Median* | 6 months Average/Median* | 12 months Average/Median* |
| Number of patients | 95 | 92 | 88 | 95 |
| Age (years) | 46 (20 - 64) | - | - | - |
| Height (m) | 1.63 ± 0.07 | - | - | - |
| Weight (kg) | 104 (75 - 178) | 83 (65- 140) | 75.45 (56 - 131) | 71 ( 47 - 127.5) |
| BMI (kg/m²) | 39.3 (29 - 67.83) | 31.22 (23.92 - 53.35) | 28.79 (22.39 - 49.92) | 26,63 (19.07 - 48.58) |
| % weight loss | - | 56.39 ± 17.32 | 74.5 (33 - 139) | 88.57 ± 23.7 |