Table 1.
Baseline characteristics of the study cohort.
| Nonsurgical (n=84) | Gastric Bypass Surgery (n=65) | p value | |
|---|---|---|---|
| Age (years) | 47.5±11.2 | 42.8±9.1 | 0.007 |
| Gender (%male) | 25 | 18 | 0.34 |
| Body mass index (kg/m2) | 44.0±6.6 | 47.1±7.6 | 0.010 |
| Weight (kg) | 125.4±25.5 | 134.0±25.2 | 0.04 |
| Current smoker (%) | 4.8 | 12.5 | 0.09 |
| Menopause (% of females) | 54.0 | 32.1 | 0.02 |
| Diabetes (%) | 35.7 | 16.9 | 0.011 |
| Hypertension (%) | 47.6 | 35.4 | 0.13 |
| Systolic blood pressure (mmHg) | 133.7+18.8 | 128.8±19.7 | 0.12 |
| Diastolic blood pressure (mmHg) | 78.9±14.2 | 76.1±14.2 | 0.23 |
| LDL cholesterol (mg/dl) | 120.4±33.5 | 119.7±34.2 | 0.90 |
| HDL cholesterol (mg/dl) | 45.1±9.7 | 45.1±12.4 | 0.99 |
| Triglycerides | 182.4±90.8 | 204.8±132.5 | 0.22 |
| (mg/dl) | |||
| Glucose (mg/dl) | 113.9±28.7 | 99.4±25.7 | 0.002 |
| HbA1c (%) | 6.1±1.03 | 5.6±0.60 | 0.0002 |
| Insulin (μU/ml) | 15.5+8.3 | 15.9±9.9 | 0.77 |
| Left ventricular mass (g)* | 188.6+59.1 | 190.5±68.7 | 0.87 |
| Left ventricular ejection fraction (%)* | 65.2±8.1 | 66.8±9.8 | 0.35 |
| Years Education | 13.8±2.3 | 14.2±2.2 | 0.29 |
| Income category† | 3.3+1.3 | 3.8±1.2 | 0.014 |
*
For left ventricular mass and ejection fraction at baseline there were only 57 and 51 measurements available.
†
Six categories of income: 1=<10K; 2=10-29K; 3=30-49K; 4=50-69K; 5=70-99K;6=≥100K