The validity of using ICD-9 codes and pharmacy records to identify patients with chronic obstructive pulmonary disease
BMC Health Services ResearchPublished 16 February 2011Open access
Colin R. Cooke, Min J. Joo, S.M. Anderson, Todd A. Lee, Edmunds M. Udris, Eric A. Johnson
Citations148
SJR quartileQ1
SJR score1.17
SNIP1.31
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TL;DR
Using multiple diagnostic codes in combination with pharmacy data improves the ability to accurately identify patients with COPD.
Abstract
Commonly used definitions of COPD in observational studies misclassify the majority of patients as having COPD. Using multiple diagnostic codes in combination with pharmacy data improves the ability to accurately identify patients with COPD.
Keywords
Medicine
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