Serum 25-hydroxyvitamin D is not related to cardiac natriuretic peptide in nulliparous and lactating women

BMC Endocrine Disorders

Table 3 Change from baseline in biochemical and clinical variables of lactating women by type of vitamin D supplementation regimen¹

Variable	Daily regimen		Monthly regimen		Total
	Change	p value	Change	p value	Change	p value²
25OHD (nmol/L)	13.9 ± 2.6	<0.001	10.9 ± 1.8	<0.001	12.3 ± 1.6	<0.001
PTH (pmol/L)	0.1 ± 0.4	0.9	-1.0 ± 0.7	0.2	-0.4 ± 0.4	0.3
Calcium mmol/L	-0.09 ± 0.04	0.04	-0.001 ± 0.03	1.0	-0.04 ± 0.02	0.1
NTproBNp (pmol/L)	-10.0 ± 3.0	0.003	-8.2 ± 3.0	0.008	-9.1 ± 2.0	<0.001
PRA (nmol/L/hr)	-0.4 ± 0.2	0.1	-0.2 ± 0.2	0.4	-0.3 ± 0.2	0.06
SBP (mm Hg)	-3.5 ± 2.6	0.2	-0.6 ± 1.8	0.7	-2.0 ± 1.5	0.2
DBP (mm Hg)	-4.4 ± 1.4	0.005	1.0 ± 1.9	0.6	-1.6 ± 1.2	0.2
Weight (kg)	-0.2 ± 0.6	0.7	-0.4 ± 0.6	0.5	-0.3 ± 0.4	0.5

¹ Mean ± SEM;
² P value by paired two-tailed t-tests.
25(OH)D, 25-hydroxyvitamin D; PTH, parathyroid hormone; NT-proBNP, N-terminal pro B-type natriuretic peptide; PRA, plasma rennin activity; SBP systolic blood pressure; DBP, diastolic blood pressure.

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