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Treatment for COPD is tailored based on clinical characteristics and severity. However, prescription patterns in COPD patients newly diagnosed in primary care may differ from guideline recommendations.

We performed an epidemiological study with data obtained from the Information System for the Development in Research in Primary Care (SIDIAP), a population database that contains information of 5.8 million inhabitants (80% of the population of Catalonia). Patients newly diagnosed with COPD from 2007 to 2012 were identified and information about the initial treatment patterns was collected. The initial treatment was also described by phenotype and severity.

During the study period 41,492 patients were newly diagnosed with COPD. Patients were classified as non exacerbators (28,552 patients, 69%), asthma-COPD overlap syndrome (ACOS) (2152 patients, 5.2%) and frequent …