Endocrine Abstracts

Introduction: Vitamin D insufficiency and deficiency are defined as a serum 25-hydroxy-vitamin D (25(OH)D) below 50 and 30 nmol/l respectively. We aimed to determine whether there is a serum 25(OH)D that signals a low serum calcium and phosphate, secondary hyperparathyroidism, high bone remodelling, low area bone mineral density (aBMD), and so, an increased risk for microstructural deterioration and bone fragility.Method: Concentrations of 25(OH)D, calci...