Table 1.
Baseline Clinical and Laboratory Characteristics of the Study Population (n = 74)
| VitD sufficient | VitD deficient | ||
|---|---|---|---|
| (n = 50) | (n = 24) | P | |
| Age, years | 37.2 ± 6.7 | 38.2 ± 6.6 | 0.540 |
| Gender, female, n (%) | 22 (44%) | 12 (50%) | 0.804 |
| BMI, kg/m2 | 22.4 ± 1.3 | 22.0 ± 1.8 | 0.350 |
| Current smokers, n (%) | 9 (18%) | 8 (25%) | 0.543 |
| Physical activity, n (%) | |||
| <15 min/day | 13 (26%) | 8 (33%) | 0.806 |
| 15–30 min/day | 21 (42%) | 9 (37.5%) | |
| >30 min/day | 16 (32%) | 7 (29.2%) | |
| Sun exposure (hours/week) | |||
| Summer | 1.44 ± 0.85 | 1.35 ± 0.85 | 0.687 |
| Wearing clothes which restrict exposure to sunlight, n (%) | 2 (4%) | 2 (4.2%) | 0.698 |
| Heart rate (bpm) | 85.5 ± 12.9 | 86.8 ± 10.9 | 0.670 |
| Systolic blood pressure (mmHg) | 115.6 ± 8.4 | 118.7 ± 7.0 | 0.123 |
| Diastolic blood pressure (mmHg) | 71.0 ± 8.2 | 73.3 ± 7.0 | 0.235 |
| LVEF (%) | 65.9 ± 3.4 | 66.9 ± 2.7 | 0.207 |
| LVEDD (mm) | 47.7 ± 3.5 | 48.1 ± 2.9 | 0.596 |
| LVPWT (mm) | 8.3±0.8 | 8.4±1.0 | 0.799 |
| LVSWT (mm) | 8.0 ± 0.7 | 8.1 ± 0.9 | 0.667 |
| Total cholesterol (mg/dL) | 177.3 ± 29.5 | 169 ± 9.6 | 0.182 |
| Triglyceride (mg/dL) | 131.5 ± 13.5 | 131.2 ± 18.3 | 0.957 |
| LDL‐cholesterol (mg/dL) | 111.4 ± 10.8 | 112.1 ± 8.4 | 0.780 |
| HDL‐cholesterol (mg/dL) | 45.7 ± 8.3 | 48.6 ± 6.3 | 0.130 |
| 25‐OH Vitamin D (ng/mL) | 34.0 ± 6.5 | 13.8 ± 2.3 | <0.001 |
| iPTH (pg/mL) | 32.3 ± 5.7 | 59.5 ± 7.6 | <0.001 |
Numerical variables were presented as the mean ± standard deviation or median (range), categorical variables were defined as percentage. BMI = body mass index; HDL = high‐density lipoprotein; iPTH = intact‐parathyroid hormone; LDL = low‐density lipoprotein; LVEDD = left ventricle end‐diastolic diameter; LVEF = left ventricle ejection fraction; LVPWT = left ventricle posterior wall thickness; LVSWT = left ventricle septal wall thickness.