Serum Ghrelin and Leptin Concentrations in Patients with Major Depressive Disorder before and after Supplementation with Vitamin D3

Table 1

BDI scale.

Total score	Levels of depression
1–10	Considered normal.
11–17	Mild mood disturbance.
18–21	Borderline clinical depression.
22–31	Moderate depression.
32–40	Severe depression.
Over 40	Extreme depression.