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We read with interest about the new chronic obstructive pulmonary disease (COPD) care framework proposed by Agustí and MacNee.1 The ‘control panel’ idea is very interesting and useful because it allows keeping in mind all we need for making optimal treatment decisions. But this aircraft cockpit metaphor reminded us that current evidence-based guidelines resemble the flight simulator rather than the real plane. In our everyday practice we base our decisions on the ‘dummy’ evidence derived from purified non-representative cohorts of COPD patients.2 Examples are Body mass index, airflow Obstruction, Dyspnea, and Exercise …
Footnotes
Contributors All the authors analysed the article and co-wrote this correspondence to the editor.
Competing interests None.
Provenance and peer review Not commissioned; internally peer reviewed.