Defining COPD using the "fixed ratio" (FEV1/FVC <0.70) – pro and con

Symposium
Chairs: J. Vestbo (Hvidovre, Denmark), P. Bakke (Bergen, Norway)
Aims: The audience will have a better understanding of the physiological criteria of COPD.

Implications of using the fixed ratio in diagnosing COPD in the elderly J. Hardie (Paradis, Norway)
The fixed ratio is RELEVANT for identifying COPD K. F. Rabe (Leiden, The Netherlands)
The fixed ratio is NOT RELEVANT for identifying COPD A. Gulsvik (Bergen, Norway)