COPD epidemiology – the Copenhagen experience

The Copenhagen City Heart Study (CCHS) was set up in the 1970's, modelled on the Framingham Study and initiated by Drs Gorm Jensen and Peter Schnohr, both cardiologists. By chance, spirometry was included and assessed in the 14,223 subjects surveyed. Subjects have subsequently been followed up after 5, 15, 25 and 30 years, and the CCHS has formed the basis of the Copenhagen General Population Study (CGPS), led by Prof Børge Nordestgaard and including 110,000 subjects from Copenhagen suburbs, all with questionnaires, blood biobank, spirometry, ECG, and register linkage for follow-up. Initial COPD epidemiology in…