Strengths and limitations
COPD
COPD
To the authors’ knowledge, DISCO is one of few controlled randomised studies worldwide, and the only one conducted in France, to assess interventions to detect COPD in primary care. In addition, a substantial number of patients were recruited to the study. The investigators failed to include 377 eligible patients, which could have further strengthened the results.The DISCO study included patients on the basis of occupational risk factors (GOLD questions), which allowed new cases of COPD to be identified in non-smoking patients.