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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Clin Exp Allergy. 2013 Dec;43(12):10.1111/cea.12171. doi: 10.1111/cea.12171

TABLE 2.

Associations between Enrollment SB-FENO and Persistence of Wheezing and Exacerbations of Wheezing

Persistence of Wheezing Exacerbations of Wheezing
OR 95% CI OR 95% CI
Enrollment SB-FENO
(10 ppb increments)		 3.1 1.5 – 6.4 2.6 1.4 – 5.2
Age at enrollment (mos.) 1.0 0.8 – 1.1 1.0 0.8 – 1.2
Gender (female) 0.9 0.2 – 4.8 1.5 0.3 – 7.5
FH Asthma (yes) 3.7 0.6 – 21.5 2.4 0.5 – 12.2
Eczema (yes) 0.4 0.1 – 2.0 0.5 0.1 – 2.8
Sustained ICS use during
follow-up (yes)		 5.3 0.2 - 140 9.3 0.5 - 186
Tobacco Smoke Exposure
(yes)		 2.3 0.3 – 16.8 2.3 0.3 – 16.8

Definition of Abbreviations: SB-FENO = single-breath exhaled nitric oxide; ICS = inhaled corticosteroids; FH = family history; OR = odds ratio; CI = confidence interval. N=42 subjects. Bold type denotes a statistically significant association.