Accuracy of COPD Diagnosis During an Admission The European Perspective

We read with interest the recent publication in CHEST (June 2017) by Wu et al1 analyzing the spirometric results from two large databases of patients admitted to the hospital with COPD exacerbation as the primary cause of admission. By matching two databases, admissions and spirometric results, the authors identify cases of COPD exacerbation based on International Classification of Diseases, Ninth Revision, Clinical Modification codes and are able to provide valuable information on the disagreement between clinical and spirometric diagnoses of COPD, finding a considerable number of misdiagnosed cases.

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