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GOLD and the fixed ratio

Authors Vestbo

Received 9 July 2012

Accepted for publication 9 July 2012

Published 25 September 2012 Volume 2012:7 Pages 663—665

DOI https://doi.org/10.2147/COPD.S35769

Jørgen Vestbo

University of Manchester, Manchester, UK

I read with interest the paper entitled "Diagnosis of airway obstruction in the elderly: contribution of the SARA study" by Sorino et al in a recent issue of this journal.1 Being involved in the Global Initiative for Obstructive Lung Diseases (GOLD), it is nice to see the interest sparked by the GOLD strategy document. However, in the paper by Sorino et al, there are a few misunderstandings around GOLD and the fixed ratio (forced expiratory volume in 1 second/forced volume vital capacity < 0.70) that need clarification.

View original paper by Sorino and colleagues.

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