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