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Epidemiology, Biostatistics and Prevention Institute

Improving Care in Chronic Obstructive Lung Disease (CAROL): a Cluster Randomized Trial in primary care

The intervention was designed to improve knowledge and to governing evidence-based decision making and behaviour by implementation of a “Primary care COPD care bundle”. Data was collected using questionnaires at GP and patient level at baseline and one year after the intervention. The primary outcome was the composite score of implemented care elements/processes measured at the patient level.



  • Care in Chronic Obstructive Lung Disease (CAROL): a randomised trial in general practice.
    Stefan Markun, Thomas Rosemann, Kaba Dalla-Lana, Claudia Steurer-Stey
    European Respiratory Journal 2018 51: 1701873; DOI: 10.1183/13993003.01873-2017

Weiterführende Informationen


Claudia Steurer-Stey (Project Leader)

Kaba Dalla-Lana

Stefan Markun

Thomas Rosemann


- Swiss Federal Office of Public Health Swiss Medical Association

- Deptartment of Health of the Canton of Zurich unrestricted grants for Chronic

- Care and Patient Education from AstraZeneca Switzerland, Boehringer Ingelheim Switzerland and Novartis Switzerland