25-OH Vitamin D and Interleukin-8: Emerging Biomarkers in Cutaneous Melanoma Development and Progression

Table 3

Serum 25-OH vitamin D3 concentration in patients and healthy donors.

Vitamin D3	25-OH vitamin D3 (ng mL^−1)	Patients (number)	Control (number)
Very severe deficiency	1.6–5	2	0
Severe deficiency	5–10	11	2
Deficiency	10–20	44	9
Suboptimal provision	20–30	24	36
Optimal level	30–50	7	38
Upper level	50–70	0	3
Overdose, but not toxic	70–150	0	0
Intoxication	>150	0	0