Table 3.

Association of laboratory parameters on vitamin D levels.

Laboratory parameter	Vitamin D status
	n	<20 (ng/mL)	n	≥20 (ng/mL)	p value
Calcium, Median (min–max)	2861	9.5 (5.2–12.3)	6653	9.4 (6.1–12)	<0.001
Creatinine (mg/dL), Median (min–max)	7703	0.6 (0.1–5.7)	3250	0.7 (0.2–5)	<0.001
ALT (U/L), Median (min–max)	7749	15 (1–411)	3261	16 (1–280)	<0.001
AST (U/L), Median (min–max)	7565	16 (1–393)	3205	17 (7–144)	<0.001
Glucose (mg/dL), Median (min–max)	7931	92 (36–482.5)	3333	92 (43–357)	0.090
HDL cholesterol (mg/dL), Median (min–max)	6840	52 (13–124)	2992	52 (17–145)	0.257
Total cholesterol (mg/dL), Median (min–max)	7372	182 (70–476)	3165	188.5 (74.5–423)	<0.001
LDL cholesterol (mg/dL), Median (min–max)	6723	104 (11–372)	2954	109 (16–312)	<0.001
Triglyceride (mg/dL)	7056	114 (22–1613)	3065	113 (28–810)	0.638
Insulin (mIU/L)	5342	8.7 (0.1–181.5)	2381	7.5 (0.2–146.6)	<0.001
CRP (mg/L), Median (min–max)	6409	0.2 (0–31.5)	2737	0.1 (0–24.1)	<0.001
Phosphorus, Median (min–max)	2425	3.5 (1.8–7.4)	5567	3.5 (1.4–7.3)	0.040

ALT: alanine aminotransferase; AST: aspartate aminotransferase; HDL: high-density lipoprotein; LDL: low-density lipoprotein; CRP: C-reactive protein.