Table 1.
Age, evolution of weight, and BMI before, 6 months and 12 months post-RYGB
| Mean ± SD | Normoglycemia (n = 21) | IGT (n = 18) | Diabetes (n = 5) | P for overall comparison |
|---|---|---|---|---|
| Age at surgery | 37.2 ± 9.5 | 38.5 ± 11.2 | 44.9 ± 3.8 | 0.30 |
| Weight (kg) | ||||
| Before surgery | 112.6 ± 16.3 | 110.7 ± 12.4 | 115.0 ± 20.8 | 0.84 |
| 6 months post-op | 80.3 ± 13.5 | 80.4 ± 13.4 | 83.3 ± 13.7 | 0.90 |
| 12 months post-op | 71.6 ± 15.2 | 73.4 ± 14.6 | 77.6 ± 14.1 | 0.71 |
| BMI (kg/m2) | ||||
| Before surgery | 42.5 ± 4.4 | 41.7 ± 3.5 | 39.9 ± 6.4 | 0.47 |
| 6 months post-op | 30.3 ± 4.1 | 30.2 ± 4.0 | 28.9 ± 4.2 | 0.78 |
| 12 months post-op | 27.0 ± 4.9 | 27.5 ± 4.4 | 26.9 ± 4.4 | 0.92 |
| Change in 12 months | ||||
| Weight loss (kg) | 41.0 ± 10.8 | 37.3 ± 6.9 | 37.4 ± 8.2 | 0.41 |
| Excess weight loss (%) | 92.1 ± 24.4 | 88.5 ± 26.3 | 95.6 ± 28.6 | 0.83 |
| Total weight loss (%) | 36.6 ± 8.2 | 34.2 ± 7.4 | 32.5 ± 3.5 | 0.44 |
Abbreviations: BMI, body mass index; IGT, impaired glucose tolerance; RYGB, Roux-en-Y gastric bypass surgery