Table 1.
Characteristics of the study sample.
| Characteristic | Weight maintainers (n=29) | Weight regainers (n=21) | P | Entire group (n=50) |
|---|---|---|---|---|
| Female/male (n) | 19/10 | 9/12 | 28/22 | |
| Mean age (SD), years | 41 (9.9) | 41 (7.5) | 0.799 | 41.4 (8.9) |
| Preoperative mean BMI (SD), kg/m2 | 47.3 (8.9) | 48.9 (9.8) | 0.564 | 48 (9.2) |
| Preoperative mean weight (SD), kg | 127.7 (27.8) | 135.4 (32.8) | 0.376 | 131 (30) |
| Lowest mean weight reached postsurgery (SD), kg | 79.4 (17.7) | 77.8 (16.6) | 0.753 | 78.7 (17.1) |
| Lowest mean BMI reached postsurgery (SD), kg/m2 | 29.5 (6) | 28.2 (5.1) | 0.431 | 29 (5.7) |
| Mean weight at the end of follow-up (SD), kg | 84.1 (18) | 96.6 (19.4) | 0.023∗ | 89.3 (19.4) |
| Mean BMI at the end of follow-up (SD), kg/m2 | 31.2 (6) | 35.8 (6.2) | 0.011∗ | 33.1 (6.5) |
| Mean weight regain (SD), kg | 5.4 (4.1) | 19.5 (6.7) | <0.001∗ | 11.3 (8.8) |
∗Significance P < 0.05.