Table 1.
Baseline characteristics of the study participants.
| Variables | Placebo group (n = 37) | Magnesium-supplemented group (n = 34) | P value* |
|---|---|---|---|
| Age (year) | 54.8 ± 4.9 | 56.7 ± 5.9 | 0.14 |
| Sex (female/male) | F: 28; M:9 | F: 28; M:6 | 0.57 |
| Weight (kg) | 79.6 ± 15.9 | 75.2 ± 7.3 | 0.12 |
| Waist circumference (cm) | 100.6 ± 6.3 | 100.5 ± 11.3 | 0.96 |
| Arm circumference (cm) | 32.1 ± 3.54 | 32.3 ± 2.9 | 0.95 |
| BMI (kg/m2) | 30.7 ± 5.1 | 30.0 ± 3.3 | 0.51 |
| SBP (mmHg) | 120.5 ± 13.3 | 120.0 ± 20.1 | 0.85 |
| DBP (mmHg) | 79.2 ± 15.7 | 76.8 ± 13.1 | 0.62 |
| FPG (mg/dL) | 112.5 ± 12.2 | 115.1 ± 14.2 | 0.57 |
| Fasting plasma insulin (μU/mL) | 14.8 ± 9.6 | 8.2 ± 5.9 | 0.08 |
| HBA1c (%) | 5.8 ± 0.6 | 5.8 ± 0.7 | 0.63 |
| HOMA-IR index | 4.0 ± 2.8 | 3.1 ± 4.4 | 0.17 |
| Triglyceride (mg/dL) | 158.0 ± 65.3 | 156.4 ± 77.9 | 0.58 |
| Total cholesterol (mg/dL) | 184.0 ± 41.0 | 193.1 ± 37.5 | 0.32 |
| HDL-cholesterol (mg/dL) | 42.9 ± 7.8 | 46.0 ± 11.8 | 0.11 |
| LDL-cholesterol (mg/dL) | 97.7 ± 27.4 | 99.9 ± 27.3 | 0.54 |
| Uric acid (mg/dL) | 4.8 ± 1.1 | 5.2 ± 1.4 | 0.20 |
| CRP (mg/L) | 1.3 ± 2.6 | 1.3 ± 2.7 | 0.91 |
BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, FPG fasting plasma glucose, CRP C-reactive protein.
*Resulted from independent samples t-test for continuous and chi-squared for categorical variables.