| Parameters | Vit D (ng/ml) | Interferon (ng/ml) | ||
| R | p value | R | P value | |
| Interferon (ng/ml) | −0.015 | <0.001 | - | - |
| Vit D (ng/ml) | - | - | 0.577 | <0.001 |
| age (m) | 0.113 | 0.831 | −0.047 | 0.771 |
| weight (kg) | −0.114 | 0.221 | 0.013 | 0.935 |
| legnth (cm) | −0.398 | 0.342 | −0.015 | 0.927 |
| Hb (mg/dl) | −0.047 | 0.549 | 0.113 | 0.486 |
| urea (mg/dl) | 0.013 | 0.918 | −0.114 | 0.484 |
| creat (mg/dl) | −0.015 | 0.046 | −0.398 | 0.011 |