Table 1. Baseline characteristics of the individuals from the SOS study included in this report.
| Control | Surgery | P value | |
| N | 1795 | 1775 | |
| Gender F, % | 72 | 73 | 0.82 |
| Age, years | 49±6 | 47±6 | <0.001 |
| Body weight, kg | 115±16 | 121±17 | <0.001 |
| BMI, kg/m2 | 40.2±4.7 | 42.4±4.5 | <0.001 |
| Systolic blood pressure, mmHg | 138±18 | 145±19 | <0.001 |
| Diastolic blood pressure, mmHg | 85±11 | 90±11 | <0.001 |
| Blood glucose, mmol/L | 4.9±1.8 | 5.2±2.0 | <0.001 |
| Total cholesterol, mmol/L | 5.6±1.1 | 5.9±1.1 | <0.001 |
| Triglycerides, mmol/L | 1.99±1.34 | 2.24±1.58 | <0.001 |
| HDL cholesterol, mmol/L | 1.34±0.33 | 1.34±0.32 | 0.92 |
| ALT, U/L | 33±26 | 37±23 | <0.001 |
| AST, U/l | 23±12 | 25±14 | <0.001 |
| Alcohol consumption, g/day | 3.2±4.3 | 3.3±4.2 | 0.38 |
| Diabetes, % | 13 | 18 | <0.001 |
| Glucose-lowering medication, % | 7 | 8 | 0.06 |
| Lipid-lowering medication, % | 2 | 2 | 0.44 |
Data are shown as mean ± SD, or proportion.
Abbreviations: SOS, Swedish obese subjects; N, number; F, female; BMI, body mass index; HDL, high density lipoprotein; ALT, alanine transferase; AST, aspartate transferase.