
Body Mass Index and Lung Function in Hospitalized Severe AECOPD Patients: Investigating Nonlinear Associations and the ...
Introduction Chronic obstructive pulmonary disease (COPD) is a heterogeneous respiratory condition and remains one of the three leading causes of death globally.1,2 Acute exacerbations of COPD (AECOPD) significantly impair patients’ health status and long- …