1. Volume 146, Issue 6, Pages 1566-1573 (December 2014)
Nurse Practitioner/Physician Assistant Staffing and Critical Care Mortality 
Deena Kelly Costa, PhD, RN, David J. Wallace, MD, MPH, Amber E. Barnato, MD, MPH, Jeremy M. Kahn, MD 
CHEST 
Volume 146, Issue 6, Pages (December 2014)
DOI: /chest
Copyright © 2014 The American College of Chest Physicians Terms and Conditions

2. Figure 1 Inclusion and exclusion criteria.
CHEST  , DOI: ( /chest )
Copyright © 2014 The American College of Chest Physicians Terms and Conditions

3. Figure 2
Discharge disposition by NPPA participation in direct patient care.
CHEST  , DOI: ( /chest )
Copyright © 2014 The American College of Chest Physicians Terms and Conditions