Table 5 Multiple regression analysis within a linear mixed-effect model with paricalcitol dose as dependent variable and other laboratory and clinical data entered

(Intercept)

0.5 ± 11.3

ns

Diabetes

6.6 ± 3.3

0.04

Cancer

14.3 ± 8.1

ns

CAD

10.1 ± 3.2

0.002

Calcium

2.2 ± 1.2

0.06

PTH

0.0 ± 0.0

ns

Effect of time at 6 months

2.8 ± 2

ns

Effect of time at 12 months

8 ± 2

<0.001

Effect of ergocalciferol at 6 months

−3.8 ± 2.8

ns

Effect of ergocalciferol at 12 months

−10.4 ± 2.8

<0.001