Table 2.

Age, vitamin D, and cytokine median values in subjects with low and high levels of CRP

	Low CRP level (<1 mg/dL)	High CRP level (≥1 mg/dL)	P-value
Number	101	17
Age (years)	27	40	0.020
Vitamin D (nmol/l)	16.0	18.0	0.940
CRP (mg/dl)	0.33	1.54	0.000
IL-1β (pg/ml)	0.42	0.00	0.042
IFn-γ (pg/ml)	10.16	13.78	0.249
TNF-α (pg/ml)	9.72	12.25	0.090
IL-8 (pg/ml)	12.95	18.00	0.106
IL-17 (pg/ml)	4.23	3.58	0.971
IL-4 (pg/ml)	155.98	83.47	0.126

Abbreviations: CRP, C-reactive protein; IL, interleukin; IFN, interferon; TNF, tumor necrosis factor.