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. Author manuscript; available in PMC: 2010 Apr 6.
Published in final edited form as: Chest. 2008 Aug 8;135(1):48–56. doi: 10.1378/chest.08-0049

Table 4.

Results From Multivariate Logistic Regression Model

Variable Odds Ratio (95% Confidence Interval)
Duration of Asthma (5 year increase) 1.42 (1.09–1.87)
FEV1/FVC (5% decrease) 1.61 (1.21–2.15)
History of Pneumonia 8.55 (2.07–35.26)
Neutrophillic Inflammation in Airway above the Median 8.66 (2.05–36.57)
Atopy 11.54 (1.97–67.70)