Morbidity and mortality in primary versus secondary antiphospholipid syndrome: A single-center study using the 2023 ACR/EULAR criteria.
ObjectiveTo evaluate differences in morbidity and mortality between patients with primary antiphospholipid syndrome (PAPS) and APS secondary to systemic lupus erythematosus (SAPS), classified according to the 2023 ACR/EULAR APS criteria.MethodsA single-center retrospective obser…