1 Introduction Rheumatic diseases are a group of chronic autoimmune disorders primarily affecting the musculoskeletal system, including rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), ankylosing spondylitis (AS), Sjögren's syndrome (SS), eosinophilic granulomatosis with polyangiitis (EGPA), among others.[1] These diseases affect ≈5% of the global population, with both incidence and prevalence rates rising in recent years.[2] Without timely treatment within two to three years,...
