Validation of the 2019 EULAR/ACR classification criteria and clinical characteristics of childhood-onset Japanese patients with systemic lupus erythematosus.
This study aimed to evaluate the diagnostic performance of the 2019 European League Against Rheumatism/American College of Rheumatology (EULAR/ACR-2019) classification criteria of systemic lupus erythematosus (SLE) and to clarify the clinical characteristics of Japanese childhoo…