Abstract:Background
The aim was to identify risk factors of severe adult-onset asthma.
Methods
We used data from 1350 population-based asthmatics (Adult Asthma in Finland) with adult-onset asthma (age range 31-93 years) from Finnish national registers. Severe asthma was defined as self-reported severe asthma AND asthma symptoms causing much harm AND regular impairment AND (≥1 oral corticosteroid course/year OR regular oral corticosteroids OR wake up in the night due to asthma symptoms/wheezing attach ≥ a few times/m… Show more
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