Francesca Iannone, Elvira Angotti, Fortunata Lucia, Luisa Martino, Giulio Cesare Antico, Francesco Galato, Ilenia Aversa, Raffaella Gallo, Caterina Giordano, Antonio Abatino, Serafina Mancuso, Lorenza Giaquinto Carinci, Maria Martucci, Consuelo Teti, Francesco Costanzo, Giovanni Cuda, Camillo Palmieri
BACKGROUND AND AIMS: Measuring 1,25-dihydroxyvitamin D (1,25(OH)2 D), parathyroid hormone 1-84 (PTH 1-84) and intact FGF23 (iFGF23) is crucial for diagnosing a variety of diseases affecting bone and mineral homeostasis. Biological variability (BV) data are important for defining analytical quality specifications (APS), the usefulness of reference intervals, and the significance of variations in serial measurements in the same subject. The aim of this study was to pioneer the provision of BV estimates for 1,25(OH)2D and to improve existing BV estimates for iFGF23 and PTH 1-84...
March 10, 2024: Clinica Chimica Acta; International Journal of Clinical Chemistry