Figure 1.

(A) Study design and (B) population. Schedule of assessments: a = iFGF23, cFGF23, 25-hydroxyvitamin D, 1–25 dihydroxyvitamin D, bone-specific ALP, iPTH; b = eGFR; c = 24-h urinary phosphate, calcium creatinine and urea nitrogen; d = iGFR, ionized calcium, CrossLaps®; e = adverse events. ALP, alkaline phosphatase; cFGF23, C-terminal fibroblast growth factor 23; eGFR, estimated glomerular filtration rate; iFGF23, intact fibroblast growth factor 23; iGFR, iohexol glomerular filtration rate; iPTH, intact parathyroid hormone.

Ureña-Torres et al. BMC Nephrology 2014 15:71   doi:10.1186/1471-2369-15-71
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