Association of Serum Level of 25-Hydroxy Vitamin D Deficiency and Pulmonary Function in Healthy Individuals

Table 2

Healthy participants’ blood and 24-hour urine samples studied for association between serum 25(OH)D and pulmonary volumes.

Variable	Mean ()	Normal reference
Blood chemistry
	24.67 (±3.20)	18–55
Creatinine	0.80 (±0.19)	0.7–1.4 (mg/dl)
Calcium	8.70 (±0.23)	8.5–10.2 (mg/dl)
Phosphorus	3.40 (±0.60)	2.4–4.5 (mg/dl)
Alkaline phosphatase	74 (±11.04)	35–100
Parathyroid hormone	32.22 (±13.28)	11–54
24-hour urine analysis
Total volume	1772.83 (±476.97)	800–2000 (ml/24 h)
Creatinine	1122.11 (±412.05)	500–2000 (mg/24 h)
Calcium	136.34 (±96.01)	100–250 (mg/24 h)
Phosphorus	545.40 (±111.25)	400–1300 (mg/24 h)

, standard deviation; , blood urea nitrogen; , milligram per deciliter; , unit per liter; , picogram per milliliter.