At recruitment, data will be collected on aetiology of CKD, presence of diabetes, hypertension, hyperparathyroidism, hepatitis virus, ovulation status for woman (menopause or not), active pre-transplant medication (with emphasis in vitamin D analogues, calcimimetics, and phosphate binders), echocardiography (M mode and 2D), Teresa Adragão score of vascular calcifications (hands and pelvis x-rays), HLA phenotype and mismatches, donor data (age, gender, cause of death), cold ischemia time.