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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 marlboro lights cigarettes, Riccardo Polosa (University of Catania newport cigarettes with stamp, Italy) and colleagues observe: "Although factors such as gender, atopy, duration of asthma cheap newport cigarette, bronchial hyperresponsiveness, and frequent asthma exacerbations appear to be important determinants of the severe asthma phenotype, the association between common modifiable risk factors such as cigarette smoking and asthma severity has received surprisingly little attention."
For the current study Newport cigarettes, 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 cheap newport cigarettes, 74 (48.7%) were current smokers newport cigarettes website, 17 (11.2%) were former smokers usa made cigarettes, 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 cigarettes online, 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 lights, gender newport cigarettes wholesale, family history of atopy cheap newport cigarettes, and other factors.
However newport 100, pack years of smoking among patients who developed asthma were significantly related to disease severity in multivariate analysis. Indeed, patients with 1-10, 11-20 cheap newports cigarettes, and more than 20 pack-years of smoking were a respective 1.47, 2.85 newport cigarette, and 5.59 times more likely to develop severe asthma than those who had never smoked.