Table 2. Comparison of total body weight, body composition in control and low salt group after 2 months.
| Control group | Low salt group | Change rate (%) compare to baseline | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Baseline | 2 month | *p | Baseline | 2 month | *p | Control | Low salt | **p | |
| Body weight change (kg) | 74.1 ± 8.9 | 70.3 ± 8.7 | < 0.001 | 75.1 ± 12.7 | 70.3 ± 12.6 | < 0.001 | –5.0 ± 2.9 | –6.3 ± 3.1 | 0.05 |
| BMI change (kg/m2) | 28.6 ± 2.5 | 27.1 ± 2.5 | < 0.001 | 28.6 ± 3.7 | 26.7 ± 3.8 | < 0.001 | –5.1 ± 3.0 | –6.6 ± 3.1 | 0.03 |
| Waist circumference (cm) | 97.0 ± 6.4 | 89.6 ± 7.7 | < 0.001 | 95.9 ± 7.6 | 88.0 ± 8.7 | < 0.001 | –7.4 ± 4.7 | –7.9 ± 3.8 | 0.60 |
| Skeletal muscle mass change (kg) | 43.5 ± 7.0 | 43.2 ± 6.8 | 0.154 | 43.4 ± 8.9 | 42.9 ± 8.0 | 0.643 | 0.5 ± 2.6 | 0.1 ± 11.3 | 0.83 |
| Body fat mass change (kg) | 26.6 ± 5.5 | 23.5 ± 5.1 | < 0.001 | 28.1 ± 8.0 | 24.5 ± 8.1 | < 0.001 | –11.0 ± 7.7 | –12.6 ± 8.7 | 0.39 |
| Intracellular water change (ℓ) | 20.9 ± 3.5 | 20.8 ± 3.5 | 0.121 | 21.4 ± 4.1 | 20.7 ± 3.9 | 0.001 | –0.6 ± 2.7 | –2.0 ± 4.0 | 0.07 |
| Extracellular water change (ℓ) | 12.8 ± 2.0 | 12.8 ± 1.9 | 0.597 | 13.0 ± 2.5 | 12.7 ± 2.4 | 0.006 | –0.1 ± 2.9 | –1.5 ± 3.1 | 0.04 |
| Total body water change (ℓ) | 33.9 ± 5.4 | 33.7 ± 5.3 | 0.217 | 34.2 ± 6.5 | 33.7 ± 6.3 | 0.001 | –0.4 ± 2.7 | –1.8 ± 3.6 | 0.05 |
| CT-scan Visceral fat area (cm2) | 143.8 ± 50.7 | 121.1 ± 40.4 | 0.872 | 145.7 ± 56.9 | 115.7 ± 43.2 | 0.573 | –20.6 ± 23.2 | –30.5 ± 26.0 | 0.08 |
| CT-scan Intra-abdominal fat area (cm2) | 394.7 ± 83.3 | 352.2 ± 86.7 | 0.845 | 399.0 ± 112.7 | 344.9 ± 117.2 | 0.758 | –44.3 ± 33.6 | –53.4 ± 46.2 | 0.32 |
BMI: body mass index; CT-scan: Computer tomography scan (*p < 0.05 by paired t test, **p < 0.05 by Student t test).