Fig. 1
From: The vitamin D spectrum: insights into 25(OH)D and VDBP in chronic kidney disease and post-transplant
Comparison of study parameters between CKD cases (Stage 3 and 4) and ESRD cases. (a) Total-25(OH)D (b) VDBP (c) Free-25(OH)D (d) Bioavailable-25(OH)D. Mann-Whitney U test was used to compare the groups.
