Figure. Lung function decline in smokers and non-smokers with or without asthma
Mean FEV1 corrected for baseline height, weight and age in (a) men and (b) women
|People who do not have asthma and do not smoke|
|People with asthma who do not smoke|
|People who do not have asthma who smoke|
|People with asthma who smoke|
Reprinted with permission of the American Thoracic Society. Copyright © 2013 American Thoracic Society.
James AL, Palmer LJ, Kicic E et al. Decline in lung function in the Busselton Health Study: the effects of asthma and cigarette smoking. Am J Respir Crit Care Med 2005; 171: 109-14. Available at: http://ajrccm.atsjournals.org/content/171/2/109.full
Official journal of the American Thoracic Society.