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 aim of the present study was to measure age-specific prevalence of airflow obstruction
in Switzerland in smokers and never-smokers using pulmonary function tests and respiratory …

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 …

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 …

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 …

PURPOSE: Chronic obstructive pulmonary disease (COPD) is usually described as a
disease of cigarette smoking. COPD is rarely considered in persons with no smoking history …

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 …

BACKGROUND: Chronic airways obstruction is common in adults and the elderly. To
investigate the possibility that older adults with obstructive airways disease frequently do not …

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 …