https://www.selleckchem.com/pr....oducts/shp099-dihydr
The aim of this study was to investigate occurrence and determinants of asthma exacerbations in an ageing general population. Subjects aged 45 years or above with physician-diagnosed asthma in the Rotterdam Study, a population-based prospective cohort from January 1991 to May 2018, were assessed for asthma exacerbations. Exacerbations were defined as acute episodes of worsening asthma treated with oral corticosteroids. Cox proportional hazards analysis was used to investigate risk factors for a future exacerbation. Out of