• Is the Disease Burden from COPD in Norway Falling off? A Study of Time Trends in Three Different Data Sources 

      Melbye, Hasse; Helgeland, Jon; Karlstad, Øystein; Ariansen, Inger; Langhammer, Arnulf; Wisløff, Torbjørn; Nafstad, Per; Nystad, Wenche (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-02-12)
      <i>Background</i>: Less smoking should lead to fewer COPD cases. We aimed at estimating time trends in the prevalence and burden of COPD in Norway from 2001 to 2017.<p><p> <i>Methods</i>: We used pre-bronchodilator spirometry and other health data from persons aged 40– 84 years in three surveys of the Tromsø Study, 2001– 2002, 2007– 2008 and 2015– 2016. We applied spirometry lower limits of normal ...