Optimal ANA Cutoff Titer as Entry Criterion for SLE Classification
The new approach in development proposes the use of positive indirect immunofluorescence ANA (IIF-ANA) as an entry criterion for SLE classification.
The new approach in development proposes the use of positive indirect immunofluorescence ANA (IIF-ANA) as an entry criterion for SLE classification.
Persistent lupus anticoagulant positivity in patients with antineutrophil cytoplasmic antibody-associated vasculitis is associated with higher Vasculitis Damage Index scores.
Overuse of unnecessary laboratory testing contributes to increased healthcare costs and false-positive test results. The Choosing Wisely campaign supported by the American College of Rheumatology was designed to decrease ordering of inappropriate laboratory tests, including assays for antinuclear antigen.