Risk factors for severe adult-onset asthma: a multi-factor approach.
Sanna Katriina Toppila-SalmiRiikka LemmetyinenSebastien ChanoineJussi KarjalainenJuha PekkanenJean BousquetValérie SirouxPublished in: BMC pulmonary medicine (2021)
Male sex, smoking, NERD, comorbidities, and ≥ 2 siblings were independent risk factors for self-reported severe asthma. The effects of these factors seem to be cumulative; each additional risk factor gradually increases the risk of severe asthma.