27th Multicenter Airway Research Collaboration (MARC-27)
MARC-27 was a chart review study of
COPD Exacerbations in the ED. For additional information, contact Dr. Carlos Camargo.
Ginde AA, Tsai C-L, Blanc PG, Camargo CA Jr. Positive predictive value of ICD-9-CM coding to detect acute exacerbation of chronic obstructive pulmonary disease in the emergency department. Jt Comm J Qual Patient Saf 2008; 34: 678-680. 19025089