Validity of a questionnaire-based diagnosis of chronic obstructive pulmonary disease in a general population-based study

@inproceedings{Murgia2014ValidityOA,
  title={Validity of a questionnaire-based diagnosis of chronic obstructive pulmonary disease in a general population-based study},
  author={Nicola Murgia and Jonas Brisman Brisman and Annika Claesson and Giacomo Muzi and A C Olin and Kjell Tor{\'e}n},
  booktitle={BMC pulmonary medicine},
  year={2014}
}
BACKGROUND The diagnosis of chronic obstructive pulmonary disease (COPD) is based on airflow obstruction. In epidemiological studies, spirometric data have often been lacking and researchers have had to rely almost solely on questionnaire answers. The aim of this study is to assess the diagnostic accuracy of questionnaire answers to detect COPD. METHODS A sample of the Swedish general population without physician-diagnosed asthma was randomly selected and interviewed using a respiratory… CONTINUE READING
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