Association between the C-reactive protein-albumin-lymphocyte index and incident depression in patients with chronic obstructive pulmonary disease: a prospective cohort study from the UK biobank
In COPD patients, the CALLY index exhibits a significant L-shaped association with incident depression risk, characterized by a pronounced protective effect below the identified threshold and a risk plateau above it, suggesting that the CALLY index may serve as a clinically accessible tool for depression risk stratific...