Changes in subtypes of overt thyrotoxicosis and hypothyroidism following iodine fortification

Objective To investigate the impact of mandatory iodine fortification (IF) on the incidence of nosological subtypes of overt thyrotoxicosis and hypothyroidism. Design We identified and scrutinized all possible new cases of overt thyrotoxicosis and hypothyroidism in an open cohort in Northern Jutland (n = 309 434; 1 January 1997) during the years 2014‐2016. Individual medical history was evaluated to verify and detail the incidence of overt...