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Weight parameters
| Parameter | Time | Number | Mean |
|---|---|---|---|
| Weight (kg) | Preoperative | 56 | 99.5 (68.0–157.9) |
| 1 month | 56 | 85.6 (58.7–140) | |
| 3 months | 54 | 78.0 (69.0–120.0) | |
| 6 months | 51 | 71.7 (49.7–109.4) | |
| Body mass index (kg/m2) | Preoperative | 56 | 36.0 (27.8–53.1) |
| 1 month | 56 | 30.9 (22.5–46.9) | |
| 3 months | 54 | 28.3 (19.8–42.1) | |
| 6 months | 51 | 26.1 (19.5–36.8) | |
| Total weight loss (%TWL) | 1 month | 56 | 13.7 (5.8–26.2) |
| 3 months | 54 | 22.1 (11.1–35.4) | |
| 6 months | 51 | 27.5 (12.3–48.5) | |
| Excess weight loss (%EWL) | 1 month | 56 | 41.9 (15.0–107.6) |
| 3 months | 54 | 64.5 (33.2–137.9) | |
| 6 months | 51 | 78.6 (46.1–143.3) | |
| %TWL ≥25% | 1 month | 56 | 3.5% (2/56) |
| 3 months | 54 | 27.7% (15/54) | |
| 6 months | 51 | 54.9% (28/51) |