Table 1.
Baseline characteristics and remission rates during follow-up for SOS study participants with obesity and diabetes
| Characteristic | Surgery (n = 393)a | Control (n = 308) | P |
|---|---|---|---|
| Baseline | |||
| Women | 236 (60.1) | 182 (59.1) | 0.816 |
| Age (years) | 48.6 (6.0) | 50.5 (6.3) | <0.001 |
| BMI (kg/m2) | 42.4 (4.9) | 40.1 (4.7) | <0.001 |
| Sagittal diameter (cm) | 30.0 (3.7) | 28.6 (3.5) | <0.001 |
| Blood glucose (mmol/L) | 8.2 (2.7) | 8.2 (2.7) | 0.805 |
| HbA1c | |||
| % | 7.8 (1.5) | 7.7 (1.4) | 0.415 |
| mmol/mol | 61.6 (16.7) | 60.5 (15.8) | 0.415 |
| Serum insulin (pmol/L) | 170.0 (113.1) | 151.2 (101.9) | 0.022 |
| Alcohol consumption (g/day) | 5.0 (7.7) | 5.3 (8.2) | 0.589 |
| Daily smoking | 100 (25.5) | 67 (22.1) | 0.325 |
| Cancer before inclusion | 21 (5.3) | 17 (5.5) | 1.000 |
| Year of inclusionb | 1994.0 (3.5) | 1994.1 (3.6) | 0.519 |
| Diabetes medication | 164 (41.7) | 139 (45.1) | 0.398 |
| University education | 46 (11.7) | 54 (17.5) | 0.030 |
| Follow-up | |||
| 2-year remission | 229 (69.8) | 39 (15.9) | <0.001 |
| 10-year remission | 91 (34.1) | 11 (6.5) | <0.001 |
Data are mean (SD) except where n (%) is noted.
a
Type of surgery: vertical banded gastroplasty (n = 256, 65.1%), nonadjustable or adjustable banding (n = 69, 17.6%), and gastric bypass (n = 68, 17.3%).
b
Patients were included between 1987 and 2001.