Table 1. Baseline characteristics of study participants.
| Control group (n = 43) |
Low salt group (n = 41) |
p-value* | |
|---|---|---|---|
| Age (year) | 42.3 ± 7.3 | 42.5 ± 7.6 | 0.881 |
| Height (cm) | 161.0 ± 6.8 | 161.4 ± 8.1 | 0.823 |
| Body weight (kg) | 73.9 ± 8.9 | 74.8 ± 12.7 | 0.700 |
| Body mass index (kg/m2) | 28.4 ± 2.4 | 28.6 ± 3.7 | 0.781 |
| Waist circumference (cm) | 96.9 ± 6.1 | 95.8 ± 7.7 | 0.467 |
| Total abdominal fat area | 394.7 ± 83.3 | 399.0 ± 112.7 | 0.845 |
| Visceral fat area | 143.8 ± 50.7 | 145.7 ± 56.9 | 0.872 |
| Systolic blood pressure (mmHg) | 128.4 ± 15.7 | 129.5 ± 15.1 | 0.762 |
| Diastolic blood pressure (mmHg) | 76.8 ± 10.1 | 74.9 ± 8.3 | 0.373 |
| ALT (U/L) | 25.2 ± 25.9 | 20.4 ± 10.4 | 0.278 |
| AST (U/L) | 21.8 ± 10.1 | 21.8 ± 6.3 | 0.979 |
| γ-GGT (U/L) | 45.9 ± 83.8 | 30.6 ± 30.0 | 0.280 |
| Fasting glucose (mg/dl) | 86.5 ± 16.6 | 82.8 ± 21.0 | 0.381 |
| Triglyceride (mg/dl) | 154.2 ± 88.1 | 154.0 ± 114.6 | 0.993 |
| HDL-cholesterol (mg/dl) | 50.0 ± 11.0 | 53.3 ± 11.9 | 0.208 |
| Fasting insulin (μIU/m) | 6.4 ± 3.6 | 6.7 ± 4.2 | 0.789 |
| HOMA-IR | 25.5 ± 18.5 | 25.7 ± 22.7 | 0.960 |
| Skeletal muscle mass (kg) | 43.2 ± 7.0 | 43.8 ± 9.1 | 0.142 |
| Body fat mass (kg) | 27.2 ± 5.8 | 27.8 ± 8.0 | 0.132 |
| Intracellular water (ℓ) | 20.8 ± 3.5 | 21.3 ± 4.1 | 0.288. |
| Extracellular water (ℓ) | 12.8 ± 2.0 | 13.1 ± 2.6 | 0.096 |
| Total body water (ℓ) | 33.7 ± 5.4 | 34.5 ± 6.7 | 0.193 |
| CT-scan Visceral fat area | 143.8 ± 49.6 | 146.3 ± 56.3 | 0.942 |
| CT-scan Intra-abdominal fat area | 396.9 ± 84.4 | 397.1 ± 111.9 | 0.137 |
ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; γ-GGT: γ-glutamyl trasnferase; TG: Triglyceride; HDL-cholesterol: High density lipoprotein cholesterol; HOMA-IR: Homeostatic model assessment - insulin resistance; CT-scan: Computer tomography scan (*p < 0.05 by Student t test between control and low salt group).