Baseline characteristics
| Weight-regain cohort (n=41) | Weight-stable cohort (n=15) | Presurgical obese control (n=133) | p Value* | p Value† | |
| Age (years) mean±SD | 49±9.5 | 49±11 | 37.6±12 | 1.00 | <0.0001 |
| Female (%) | 93 | 87 | 81 | 0.49 | 0.08 |
| BMI (kg/m2) mean±SD | 39.7±6.8 | 31±5.8 | 47.2±7.6 | <0.0001 | <0.0001 |
| Years from RYGB (years) (mean±SD) | 7.0±3.8 | 2.2±0.9 | - | <0.0001 | - |
| Weight regain (%) mean±SD | 44.7±4.8 | 4.5±4.8 | - | <0.0001 | - |
↵*Comparison between the weight-regain cohort and weight-stable cohort.
†Comparison between the weight-regain cohort and the presurgical obese control.
BMI, body mass index; RYGB, Roux-en-Y gastric bypass.