Table 5.
Pearson correlation analysis between vitamin D levels and other variables
| Variables | Correlation coefficient | P |
|---|---|---|
| Height (cm) | 0.19 | <0.0001* |
| Weight (kg) | −0.025 | 0.57 |
| BMI (kg/m2) | −0.1 | 0.02* |
| Corrected Ca (mg/dl) | 0.26 | <0.0001* |
| Phosphorus (mg/dl) | −0.01 | 0.76 |
| Alkaline phosphatase (IU/L) | −0.17 | <0.0001* |
| PTH (pg/ml) | −0.07 | 0.11 |
| Time of exposure to sun | 0.5 | <0.0001* |
| Sun exposure (%) | 0.58 | <0.0001* |
| Calcium intake (mg/day) | 0.24 | <0.0001* |
*P<0.05 was considered significant. BMI: Body mass index, 25(OH)D: 25-hydroxy vitamin D, PTH: Parathyroid hormone