Anti-RNP positivity in primary Sjögren’s syndrome is associated with a more active disease and a more frequent muscular and pulmonary involvement

Abstract

ObjectivesTo describe and compare the clinical and biological characteristics of subjects with primary Sjögren’s syndrome (pSS) with and without anti-RNP antibodies.MethodsPatients fulfilling the American College of Rheumatology (ACR)/EULAR 2016 criteria...