Prevalence of abnormal serum 25-hydroxyvitamin D and its association with hemoglobin level in pre dialysis CKD patients: a cross-sectional study from Himalayan country

Table 3 Association between 25(OH) D and clinical/biochemical parameter

Parameter	Univariate regression analysis		Multivariate regression analysis
Parameter	β	P	β	P
Age (years)	−.210	0.006	−2.3	0.009
Sex (male)	.178	0.02	2.5	0.018
HTN(+)	.09	0.20
DM(+)	.099	0.19
eGFR (ml/min/1.72 m²)	0.15	0.042	0.005	0.95
Albumin (mg/dL)	0.23	0.002	0.20	0.007
Calcium (mg/dL)	0.068	0.37
Phosphorous (mg/dL)	−.10	0.16
iPTH (pg/mL)	−.17	0.025	−1.3	0.19

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