Demographic and clinical characteristics and preoperative medications
| Characteristic | Group; mean ± SD or no. (%) | ||
|---|---|---|---|
| All patients, n = 207 | Roux-en-Y gastric bypass, n = 123 | Sleeve gastrectomy, n = 84 | |
| Age at surgery, yr | 49.7 ± 8.8 | 49.0 ± 8.5 | 50.8 ± 9.2 |
| Female sex | 153 (73.9) | 88 (71.5) | 65 (77.4) |
| Preoperative | 46.3 ± 8.1 | 46.9 ± 7.8 | 45.4 ± 8.4 |
| Postoperative 1-year BMI, kg/m2 | 36.0 ± 7.6 | 34.6 ± 6.8 | 38.3 ± 8.3 |
| Preoperative weight, kg | 129.3 ± 26.0 | 131.6 ± 24.8 | 126.0 ± 27.4 |
| Postoperative 1-year weight, kg | 100.6 ± 23.2 | 97.1 ± 20.8 | 106.1 ± 25.8 |
| Hypertension | 147 (71.0) | 90 (73.2) | 57 (67.9) |
| Smoking status | |||
| Ex-smoker | 84 (40.6) | 52 (42.3) | 32 (38.1) |
| Current smoker | 2 (1.0) | 1 (0.8) | 1 (1.2) |
| Duration of diabetes, yr | 7.6 ± 6.7 | 8.3 ± 7.0 | 6.4 ± 6.2 |
| No. of non-insulin diabetes medications | 1.5 ± 0.8 | 1.6 ± 0.9 | 1.3 ± 0.8 |
| Short-acting insulin | 30 (14.5) | 20 (16.3) | 10 (11.9) |
| Long-acting insulin | 48 (23.2) | 32 (26.0) | 16 (19.1) |
BMI = body mass index; SD = standard deviation.