1. The impact of a history of asthma on long-term outcomes of people with newly diagnosed chronic obstructive pulmonary disease: A population study 
Tetyana Kendzerska, MD, PhD, Teresa M. To, PhD, Shawn D. Aaron, MD, MSc, M. Diane Lougheed, MD, MSc, Mohsen Sadatsafavi, MD, PhD, J. Mark FitzGerald, MD, Andrea S. Gershon, MD, MSc 
Journal of Allergy and Clinical Immunology 
Volume 139, Issue 3, Pages (March 2017)
DOI: /j.jaci
Copyright © 2016 American Academy of Allergy, Asthma & Immunology Terms and Conditions

2. Fig 1
Study design: An observational population cohort study using provincial health administrative data from 1991 to Washout period: time between asthma and COPD diagnoses to ensure that asthma preceded COPD.
Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci )
Copyright © 2016 American Academy of Allergy, Asthma & Immunology Terms and Conditions

3. Fig 2 Flow diagram: cohort creation.
Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci )
Copyright © 2016 American Academy of Allergy, Asthma & Immunology Terms and Conditions

4. Fig 3
Unadjusted Kaplan-Meier survival curves for hospitalization due to COPD by a history of asthma preceding COPD diagnosis. The numbers at risk are presented above the x-axis. Events: COPD hospitalization.
Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci )
Copyright © 2016 American Academy of Allergy, Asthma & Immunology Terms and Conditions

5. Fig 4
Unadjusted Kaplan-Meier survival curves for all-cause mortality by a history of asthma preceding COPD diagnosis. The numbers at risk are presented above the x-axis. Events: All-cause mortality.
Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci )
Copyright © 2016 American Academy of Allergy, Asthma & Immunology Terms and Conditions

6. Fig E3
Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci )
Copyright © 2016 American Academy of Allergy, Asthma & Immunology Terms and Conditions