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Advising parents of preschool children with wheeze about the likelihood that their child will outgrow it or develop lifelong asthma can be challenging. British researchers sought to identify predictors of asthma in a longitudinal study of 628 children with and without wheeze who were younger than 5 years at recruitment and were followed for 6 to 11 years.
Based on parents’ responses to a series of postal surveys, researchers classified children into one of four groups: no wheeze (60.5%), transient wheeze (wheeze reported in the first completed survey but not in the last; 23.4%), persistent asthma (wheeze reported in the first and last surveys; 8.6%), and late-onset asthma (wheeze reported in the last survey but not in the first; 7.5%). Of 20…