Skip to main content
. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: Allergy. 2018 Feb 7;73(6):1276–1283. doi: 10.1111/all.13403

Table 2.

Characteristics of eligible subjects who had two or more wheezing episodes and met either one of major or two of minor criteria of API

Variables (Total N=62)
Age, years, median (IQR)
             At API index date
   At last follow-up date (ie, follow-up duration)

2.3 (1.3, 5.5)
11.3 (9.5, 12.1)
Male, n (%) 36 (58)
White, n (%) 48 (77)
Number of wheezing episodes, median (IQR) 3 (2, 5)
Prevalence of asthma by API (+),n (%)
        Using 1 year of wheezing interval
        Using 3 year of wheezing interval

40 (65)
53 (85)
Physician diagnosis of asthma, n (%) 42 (68)
Asthma medication, n (%)
               No medication
            Rescue medication only
                 Controller

27 (44)
23 (37)
12 (19)
Family history of asthma, n (%) 35 (56)
Maternal smoking history during pregnancy, n (%) 11 (18)
History of breastfeeding, n (%) 51 (85)
Eczema, n (%) 30 (48)
Allergic rhinitis, n (%) 14 (23)
Birth weight, kg, mean (±SD) 3.1 (±0.7)
C-section, n (%) 16 (25)
Premature birth, n (%) 32 (52%)