Table 3

Distribution of wheeze phenotypes for different cohorts and resulting risk ratios (RRs)

WheezeAll wheezePhenotype
NEVERTREYPEEYINTERLATEPRST
Bronchiolitis18.7%80.1%4.4%0.8%7.6%5.0%1.0%
UTI7.2%90.4%0.9%0.2%3.1%3.1%0.2%
RR2.43NA5.44.82.61.75.2
95% CI2.2 to 2.8NA3.8 to 8.02.3 to 12.12.1 to 3.11.4 to 2.12.6 to 12.2
  • Phenotypes: NEVER—no wheeze; PRST—persistent, wheeze before 18 months until >69 months; TREY—transient early, wheeze before 18 months until 42 months; PEEY—prolonged early, wheeze before 18 months until 69 months; INTER—intermediate, no wheeze until after 42 months; LATE—late onset, no wheeze until after 69 months.

  • NA, not applicable; UTI, urinary tract infection.