TTR and amyloidosis: Of these, 96 were excluded because they lived outside the state of Rio de Janeiro, 79 refused to participate, 25 could not be contacted by phone, 9 were participating in a double-blind study at the time of evaluation, 8 had an eGFR < 45 mL/min/1.73m2, 5 had non-TTR amyloidosis, and 1 was pregnant.