1. Characterization of the severe asthma phenotype by the National Heart, Lung, and Blood Institute's Severe Asthma Research Program 
Wendy C. Moore, MD, Eugene R. Bleecker, MD, Douglas Curran-Everett, PhD, Serpil C. Erzurum, MD, Bill T. Ameredes, PhD, Leonard Bacharier, MD, William J. Calhoun, MD, Mario Castro, MD, Kian Fan Chung, MD, Melissa P. Clark, MD, Raed A. Dweik, MD, Anne M. Fitzpatrick, PhD, Benjamin Gaston, MD, Mark Hew, MD, Iftikhar Hussain, MD, Nizar N. Jarjour, MD, Elliot Israel, MD, Bruce D. Levy, MD, James R. Murphy, PhD, Stephen P. Peters, MD, PhD, W. Gerald Teague, MD, Deborah A. Meyers, PhD, William W. Busse, MD, Sally E. Wenzel, MD 
Journal of Allergy and Clinical Immunology 
Volume 119, Issue 2, Pages (February 2007)
DOI: /j.jaci
Copyright © 2007 American Academy of Allergy, Asthma & Immunology Terms and Conditions

2. Fig 1
Urgent HCU increased with disease severity. Data are shown as lifetime (ever) events and visits in the past year. Hosp, Inpatient hospitalizations; Vent, need for mechanical ventilation. White bars, mild (n = 164); hatched bars, moderate; black bars, severe asthma. ∗P < .0001, all groups are different from each other; †P < .0001, mild and moderate groups are similar, but different from severe group.
Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci )
Copyright © 2007 American Academy of Allergy, Asthma & Immunology Terms and Conditions