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MedWire News: Smoking is associated with increased severity of new-onset asthma in allergic adults, research shows.
Writing in the journal Respiratory Research newport cigarette, Riccardo Polosa (University of Catania newport cigarettes, Italy) and colleagues observe: "Although factors such as gender, atopy, duration of asthma Newport cheap, bronchial hyperresponsiveness newport menthol cigarettes, and frequent asthma exacerbations appear to be important determinants of the severe asthma phenotype newport menthol cigarettes, the association between common modifiable risk factors such as cigarette smoking and asthma severity has received surprisingly little attention."
For the current study marlboro cigarette website, the researchers examined the influence of smoking on the severity of new-onset asthma among 371 adults with allergic rhinitis who were followed up for 10 years.
Of the 152 patients who developed asthma during follow up, 74 (48.7%) were current smokers marlboro gold pack, 17 (11.2%) were former smokers Golden Virginia Tobacco, and 61 (40.1%) had never smoked.
Asthma severity among these patients was calculated according to Global Initiative for Asthma criteria and defined as intermittent newport 100s cigarettes, mild persistent, moderate persistent, or severe persistent asthma. For the purposes of this study, patients with moderate persistent or severe persistent asthma were defined as having severe asthma.
Univariate analysis indicated that current and former smokers had a greater risk for severe new-onset asthma than those who had never smoked wholesale newport cigarettes, at an odds ratio of 2.10, but this became non-significant in multivariate analysis that adjusted for age marlboro cigarettes website, gender, family history of atopy wholesale newport cigarettes, and other factors.
However newport 100's cigarettes, pack years of smoking among patients who developed asthma were significantly related to disease severity in multivariate analysis. Indeed marlboro cigarettes coupons, patients with 1-10, 11-20, and more than 20 pack-years of smoking were a respective 1.47 wholesale marlboro cigarettes, 2.85, and 5.59 times more likely to develop severe asthma than those who had never smoked.