Table 3.

Factors influencing 25-hydroxyvitamin D levels.

	β	SE	P value
Intercept	5.994	0.621	<0.0001
Females	−0.332	0.052	<0.0001
July	0.254	0.101	0.012
August	0.444	0.084	<0.0001
September	0.329	0.079	<0.0001
Diabetes mellitus	−0.181	0.091	0.048
ln BMI	−0.900	0.361	0.013
CNI	−0.177	0.084	0.036
Age (years)	0.0001	0.002	0.963
Proteinuria (g/L)	−0.028	0.028	0.325
ln eGFR	−0.019	0.071	0.791
Oral steroids	0.015	0.066	0.821
Pulse steroids	−0.096	0.086	0.264
Azathioprine	−0.159	0.147	0.279
Mycophenolates	−0.099	0.126	0.435
mTORI	0.124	0.084	0.144

Dependent variable: ln 25-hydroxyvitamin D; adjusted R ² = 0.345.

BMI – body mass index, SE – standard error; eGFR – estimated glomerular filtration rate (CKD-EPI), CNI – calcineurin inhibitors, mTORI – mammalian target of Rapamycin inhibitors.