Figure 3From: The influence of vitamin D analogs on calcification modulators, N-terminal pro-B-type natriuretic peptide and inflammatory markers in hemodialysis patients: a randomized crossover study Changes in osteoprotegerin according to changes in parathyroid hormone. Univariate analysis of changes in osteoprotegerin as an independent variable versus changes in parathyroid hormone during 16Â weeks of treatment with paricalcitol and alfacalcidol.Back to article page