Table 1.

Characteristics of 89 Young Children Hospitalized for Wheezing

Characteristicn = 89 (%)
Mean age on study entry (SD), mo10.6 (5.9)
Age on study entry <12 mo57 (64)
Male gender64 (72)
History of wheezing at study entry13 (15)
Atopic dermatitis on entry26 (29)
Family history of atopy*49 (55)
Family history of asthma24 (26)
Smoking mother during pregnancy20 (22)
Passive smoking during infancy42 (47)
A furred pet at home during infancy27 (30)
Living in urban area during infancy28 (31)
Two or more siblings33 (37)
Positive viral identification33 (37)
IgE ≥60 kU/L20 (26)
Prick test positivity on 8-mo control visit24 (27)
  • * Atopic dermatitis or allergic rhinitis diagnosed by a physician.

  • Positive identification of viral antigen or significant rise in antibodies. The viruses searched for were RSV, influenza A and B, parainfluenza types 1, 2, and 3, and adenoviruses. RSV was found in 23 cases.