TABLE 3.
Baseline association of plasma 25(OH)D concentrations with different parameters.
| Plasma 25(OH)D (nmol/L) | r | df | P-value* |
| BMI (kg/m2) | –0.517 | 19 | 0.016* |
| Waist circumference (cm) | –0.364 | 19 | 0.105 |
| Systolic blood pressure (mmHg) | –0.078 | 19 | 0.738 |
| Diastolic blood pressure (mmHg) | 0.076 | 19 | 0.742 |
| Heart rate (beat/minute) | 0.195 | 19 | 0.397 |
| Fasting plasma glucose (mmol/L) | 0.038 | 19 | 0.872 |
| Fasting plasma cholesterol (mmol/L) | 0.24 | 19 | 0.294 |
| Fasting HDL (mmol/L) | 0.123 | 19 | 0.594 |
| Ratio of cholesterol/HDL | 0.145 | 19 | 0.531 |
| Plasma calcium (mmol/L) | 0.454 | 19 | 0.039* |
| Plasma creatinine (μmol/L) | 0.138 | 19 | 0.551 |
| Plasma TNF (pg/ml) | –0.03 | 18 | 0.896 |
| Plasma IL-6 (pg/ml) | –0.129 | 18 | 0.588 |
| Phagocytosis of granulocytes (%) | 0.184 | 19 | 0.438 |
| Phagocytosis of monocytes (%) | 0.22 | 19 | 0.337 |
| Th cell (CD4+% lym) | 0.213 | 19 | 0.255 |
| Tc cell (CD8+% lym) | –0.263 | 19 | 0.249 |
| CD4/CD8 ratio | 0.226 | 19 | 0.324 |
| CD3–CD56+ cells (% lym) | –0.101 | 19 | 0.664 |
| CD8+CD56+ (% CD3– lym) | 0.116 | 19 | 0.618 |
| CD8–CD56+ (% CD3–lym) | 0.112 | 19 | 0.629 |
| Dietary VitD intake (μg/day) | 0.328 | 19 | 0.146 |
*Pearson correlation.
BMI, body mass index; HDL, high density lipoprotein; TNF, tumor necrosis factor; IL-6, interleukin 6; Th, helper T cells; Tc, cytotoxic T cells; lym, lymphocytes; VitD, vitamin D.