while the control group showed the typical constellation in advanced renal insufficiency with hypocalcaemia , hyperphosphataemia , clearly increased pth levels , clearly increased ct values and normal 25-oh-d concentrations , during the diettherapy and the vitamin d substitution a significant increase of the serum levels of calcium , 25-oh-d and ct as well as a significant decrease of the pth and the anorganic phosphate in the serum developed .
C0035078
renal insufficiency
C0014695
vitamin d