Clinical-metabolic machine learning model differentiating rheumatoid arthritis from high-inflammatory Sjögren disease: A multi-center study
Summary Although rheumatoid arthritis (RA) and the high-inflammatory phenotype of Sjögren disease (SjD-Phenotype 1) share clinical features including RF positivity and articular involvement, their differentiation remains challenging, particularly in anti-CCP-negative or indeterminate cases. Here, we developed and valid...