Research Article
Evaluation of an Automated Screening Assay, Compared to Indirect Immunofluorescence, an Extractable Nuclear Antigen Assay, and a Line Immunoassay in a Large Cohort of Asian Patients with Antinuclear Antibody-Associated Rheumatoid Diseases: A Multicenter Retrospective Study
Table 1
Demographic characteristics of the study population and the qualitative values for four autoantibody assays.
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AARD: antinuclear antibody-associated rheumatoid disease; SLE: systemic lupus erythematosus; SSc: systemic sclerosis; SS: Sjögren’s syndrome; MCTD: mixed connective tissue disease; IIF: indirect immunofluorescence; ENA: extractable nuclear antigen; LIA: line immunoassay. Chi-squared test for nominal variables and Mann–Whitney test for continuous variables in the total AARD group versus control. Data are expressed as the median (1st to 3rd quartiles). |