Valliappan Muthu

A prospective observational study to evaluate the prevalence of severe asthma among subjects with difficult-to-treat asthma at a tertiary care center in North India

Background: Severe asthma accounts for disproportionate asthma-related morbidity, mortality, and healthcare costs, yet prospective data on its prevalence remain limited, particularly for developing countries. We aimed to determine the prevalence of severe asthma among subjects wi...