Spirometric phenotypes from early childhood to young adulthood: a Chronic Airway Disease Early Stratification study

Background The prevalences of obstructive and restrictive spirometric phenotypes, and their relation to early-life risk factors from childhood to young adulthood remain poorly understood. The aim was to explore these phenotypes and associations with well-known respiratory risk factors across ages and populations in European cohorts. Methods We studied 49 334 participants from 14 population-based cohorts in different age groups (≤10, >10–15,...