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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, Riccardo Polosa (University of Catania Newport cigarettes online, Italy) and colleagues observe: "Although factors such as gender newport menthol 100s, atopy newport cigarettes carton, duration of asthma newports 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 marlboro 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, 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 usa made cigarettes, mild persistent newport 100s cigarettes, moderate persistent marlboro lights, or severe persistent asthma. For the purposes of this study marlboro cigarettes, 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 marlboro red cigarettes, at an odds ratio of 2.10, but this became non-significant in multivariate analysis that adjusted for age, gender, family history of atopy cheap newports, and other factors.
However Newport cigarettes website, pack years of smoking among patients who developed asthma were significantly related to disease severity in multivariate analysis. Indeed, patients with 1-10 newport cigarettes online, 11-20, and more than 20 pack-years of smoking were a respective 1.47 newport cigarettes wholesale, 2.85 marlboro golds, and 5.59 times more likely to develop severe asthma than those who had never smoked.