Important insights on, for example, prevalence, disease progression, and treatment of allergic rhinitis can be obtained from large‐scale database studies if researchers are able to identify allergic individuals. We aimed… Click to show full abstract
Important insights on, for example, prevalence, disease progression, and treatment of allergic rhinitis can be obtained from large‐scale database studies if researchers are able to identify allergic individuals. We aimed to assess the validity of 13 different algorithms based on Danish nationwide prescription and/or hospital data to identify adults with allergic rhinitis.
               
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