Objective To develop new classification criteria for systemic lupus erythematosus (SLE)
jointly supported by the European League Against Rheumatism (EULAR) and the American …

There is convincing evidence for the known and unambiguously accepted beneficial effects
of glucocorticoids at low dosages. However, the implementation of existing …

The EULAR Sjögren's syndrome (SS) disease activity index (ESSDAI) is a systemic disease
activity index that was designed to measure disease activity in patients with primary SS. With …

Objective To develop and validate an international set of classification criteria for primary
Sjögren's syndrome (SS) using guidelines from the American College of Rheumatology …

Objective Earlier studies of eosinophilic granulomatosis with polyangiitis (Churg‐
Strauss)(EGPA), with limited patient numbers and followup durations, demonstrated that …

Objective To develop a disease activity index for patients with primary Sjögren's syndrome
(SS): the European League Against Rheumatism (EULAR) Sjögren's syndrome disease …

Abstract The 1996 Five-Factor Score (FFS) for systemic necrotizing vasculitides (polyarteritis
nodosa [PAN], microscopic polyangiitis [MPA], and Churg-Strauss syndrome [CSS]) is used …

Background Various observations have suggested that the course of COVID-19 might be
less favourable in patients with inflammatory rheumatic and musculoskeletal diseases …

Objective Previous studies of polyarteritis nodosa (PAN) included patients with microscopic
polyangiitis, because these entities were not distinguished prior to the Chapel Hill …

Objective To investigate baseline use of biologic or targeted synthetic (b/ts) disease-
modifying antirheumatic drugs (DMARDs) and COVID-19 outcomes in rheumatoid arthritis …