Table 1– Preschool children with wheeze differ in their characteristics
Frequency of episodesMost children wheeze occasionally, some have frequent episodes [5, 6]
Severity of episodesRanging from very mild to severe and life-threatening [5, 7]
Temporal patternOnly wheezing with viral colds or in response to other triggers [6, 8]
Long-term outcome of symptomsTransient versus persistent wheeze [1, 2]