Benzodiazepine Use and Risk of Community-Acquired Pneumonia in a Population-Based Cohort Study From North-Eastern Spain:
2017
Background:Benzodiazepine (Bz) exposure has been identified as a risk factor of community-acquired pneumonia (CAP) in some observational studies, but this remains controversial. This study was designed to quantify the risk of CAP associated with treatment with Bz.Methods:All individuals ⩾14 years of age registered in any of 3 primary health care providers in our area between January 2011 and May 2013 were included in the study. This resulted in a population of 51 912 individuals who contributed to a total of 1 496 680 person-months of observation. Previously anonymized data for each participant were obtained from their personal health records and the official prescription database. The primary outcome measures were the incidence of CAP during the study period and the relative risk (RR) that could be attributed to Bz exposure.Results:A total of 696 CAP cases were diagnosed. Incidence density was 12.4 cases per 1000 person-years in individuals exposed to Bz and 4.51 cases per 1000 person-years in those who ...
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