Fig. 1. Allergen sensitization in the SARP, U-BIOPRED, ProAR, and COREA cohorts. Allergen distribution significantly differed among the four groups. Pollen and HDMs were the most common allergens in the SARP and COREA, respectively.

SARP, Severe Asthma Research Program; U-BIOPRED, Unbiased Biomarkers for the Prediction of Respiratory Disease Outcomes; ProAR, Program for Control of Asthma in Bahia; COREA, Cohort for Reality and Evolution of Adult Asthma in Korea; HDM, house dust mite.