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