Fig. 1From: Trends in prevalence and incidence of chronic respiratory diseases from 1990 to 2017The age-standardized incidence rate (ASIR) and age-standardized prevalence rate (ASPR) of chronic respiratory diseases (CRDs) (a, b) including chronic obstructive pulmonary disease (COPD) (c), pneumoconiosis (d), asthma (e), and interstitial lung disease and pulmonary sarcoidosis (f) for both sexes (males and females). ASIR, age-standardized incidence rate; ASPR, age-standardized prevalence rate; COPD, chronic obstructive pulmonary diseaseBack to article page