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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, Italy) and colleagues observe: "Although factors such as gender marlboro cigarettes website, atopy, duration of asthma wholesale newport cigarettes, 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 cheap 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, 74 (48.7%) were current smokers, 17 (11.2%) were former smokers newport 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 cheap newport cigarettes, mild persistent Newport cigarettes wholesale, moderate persistent marlboro golds, or severe persistent asthma. For the purposes of this study marlboro cigarettes supplier, 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, at an odds ratio of 2.10, but this became non-significant in multivariate analysis that adjusted for age newport cigarettes online, gender, family history of atopy marlboro cigarettes, and other factors.
However, pack years of smoking among patients who developed asthma were significantly related to disease severity in multivariate analysis. Indeed newport cigarettes website, patients with 1-10 cheap marlboro cigarettes, 11-20 newport cigarettes ny stamp, and more than 20 pack-years of smoking were a respective 1.47, 2.85 newport cartons, and 5.59 times more likely to develop severe asthma than those who had never smoked. |
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