Table 3

Geometric mean (SD) eNO levels (ppb) measured in summer (n=235) and winter (n=213) in the study population of atopic children by sensitisation to individual allergens

AllergenNot atopicAtopicFold difference (95% CI)p value
Summer:
Cladosporium 13.5 (1.9)18.8 (2.0)1.40 (1.30 to 1.49)0.001
D pteronyssinus 13.9 (2.0)15.1 (1.9)1.09 (1.01 to 1.17)0.36
Rye grass pollen14.5 (2.0)14.8 (2.0)1.02 (0.94 to 1.09)0.83
Alternaria 13.6 (2.0)16.1 (2.0)1.18 (1.11 to 1.26)0.05
Cat dander14.2 (2.0)16.6 (2.0)1.16 (1.07 to 1.26)0.18
Grain mill dust14.5 (2.0)15.4 (2.1)1.06 (0.96 to 1.17)0.60
Wheat whole grain14.8 (2.0)11.4 (2.1)0.77 (0.56 to 0.98)0.26
Cotton lint14.6 (2.0)13.9 (3.0)0.95 (0.41 to 1.48)0.9
Winter:
Cladosporium 13.5 (1.6)18.5 (1.6)1.37 (1.31 to 1.43)<0.001
D pteronyssinus 13.6 (1.5)15.5 (1.7)1.14 (1.08 to 1.19)0.06
Rye grass pollen13.7 (1.7)15.6 (1.6)1.14 (1.08 to 1.20)0.05
Alternaria 13.6 (1.7)16.1 (1.6)1.18 (1.13 to 1.23)0.01
Cat dander14.2 (1.6)16.8 (1.6)1.18 (1.11 to 1.25)0.05
Grain mill dust14.5 (1.6)15.6 (1.6)1.07 (1.00 to 1.15)0.41
Wheat whole grain14.7 (1.6)16.0 (1.5)1.09 (0.97 to 1.22)0.61
Cotton lint14.7 (1.6)17.6 (1.2)1.19 (1.09 to 1.31)0.53