Vitamin D Deficiency Is Common in Ghana despite Abundance of Sunlight: A Multicentre Comparative Cross-Sectional Study

Table 2

Correlation analysis of 25-hydroxyvitamin D against weight, blood pressure, and certain biochemical parameters among study participants.

	Vitamin D 25(OH)D (ng/ml)
	Pearson correlation (r)	value	N
VDBP (ng/ml)	−0.421	<0.001	500
(IPTH) (pg/ml)	−0.568	<0.001	500
Corrected ionized calcium (mmol/l)	0.622	<0.001	500
Phosphorous (mmol/l)	0.199	0.102	500
Albumin (g/dl)	0.110	0.114	500
Creatinine (mmol/l)	0.057	0.205	500
IL 10 (pg/ml)	0.575	<0.001	500
TNF-alpha (pg/ml)	−0.300	<0.001	500
IFN-gamma (pg/ml)	−0.356	<0.001	500
Body weight (kg)	−0.012	0.786	500
DBP (mm/Hg)	0.037	0.414	500
SBP (mm/Hg)	−0.092	0.039	500
Age	0.043	0.337	500

value <0.05 = statistically significant, SBP = systolic blood pressure, DBP = diastolic blood pressure, IPTH = intact parathyroid hormone, VDBP = vitamin D binding protein, IL-10 = interleukin-10, TNF-alpha = tumor necrosis factor-alpha, and IFN-gamma = interferon-gamma.