There is currently no consensus on the criteria for diagnosing chronic obstructive pulmonary
disease. This study evaluated the impact of different definitions of airway obstruction on the …

Aim: The prevalence of airway obstruction varies widely with the definition used. Objectives:
To study differences in the prevalence of airway obstruction when applying four international …

The objective of this study was to redesign the current grading of obstructive lung disease so
that it is clinically relevant and free of biases related to age, height, sex and ethnic group …

Study objectives To evaluate the distribution of airways obstruction in a general population
sample. Methods Cross-sectional epidemiologic survey of a general population sample …

The objective of this study was to evaluate the definitions for classification of chronic
obstructive pulmonary disease (COPD) recommended by the American Thoracic Society …

To establish the correlation among asthma efficacy parameters over a long period, data from
over 1500 patients in two one-year asthma clinical trials with montelukast, a Cys-LT1 …

We examined the severity of airway obstruction and the occurrence of respiratory symptoms
in a large, nationally representative population sample and in a subgroup of subjects with …

This letter arises from discussions and correspondence between colleagues involved in
respiratory research or the diagnosis and treatment of lung diseases, as well as from a …

The aim of the present study was to establish the agreement between two recommended
definitions of airflow obstruction in symptomatic adults referred for spirometry by their …

Introduction Airway obstruction (AO), mainly due to chronic obstructive pulmonary disease
(COPD) in adults, is a major cause of mortality and poor quality of life. However, few data are …