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Symptom-based questionnaire for identifying COPD in smokers.

David B Price1, David G Tinkelman, R J Halbert

  • 1University of Aberdeen, Aberdeen, UK.

Respiration; International Review of Thoracic Diseases
|December 7, 2005
PubMed
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A simple questionnaire can effectively screen for chronic obstructive pulmonary disease (COPD) in primary care. This tool identifies individuals likely to have COPD, improving diagnostic accuracy and screening efficiency.

Area of Science:

  • Pulmonary Medicine
  • Epidemiology

Background:

  • Symptom-based questionnaires show promise for enhancing chronic obstructive pulmonary disease (COPD) screening in primary care settings.
  • Identifying COPD early is crucial for effective management and intervention.

Purpose of the Study:

  • To prospectively evaluate a set of questions designed to identify COPD in smokers without a prior history of lung disease.
  • To assess the utility of a self-administered questionnaire in a primary care setting.

Main Methods:

  • Recruited current and former smokers aged 40+ from UK and US primary care practices.
  • Administered a questionnaire on demographics and symptoms, followed by spirometry with reversibility testing.
  • Defined COPD as post-bronchodilator FEV(1)/FVC <0.70 and analyzed question discrimination using multivariate regression.

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Main Results:

  • 818 subjects completed the study; 17 questionnaire items were entered into regression analysis.
  • Eight items, including age, pack-years, BMI, cough, phlegm, wheeze, and allergies, significantly predicted COPD.
  • The questionnaire achieved 80.4% sensitivity and 72.0% specificity for COPD detection.

Conclusions:

  • A patient self-administered questionnaire can identify individuals with a high likelihood of COPD.
  • Spirometric testing is particularly important for those identified by the questionnaire.
  • Implementing this questionnaire can improve the efficiency and accuracy of COPD screening efforts.