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. 2021 Jul 12;8(1):e000528. doi: 10.1136/lupus-2021-000528

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© Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Flow chart of patients included or not in the study. Negative patients had a multianalyte assay panel (MAP) score <−0.1; low tier-2 had a score >0.1 and ≤1; high tier-2 had a score >1; for the tier-1 positives, the score was not calculated as they met the criteria of tier-1 positivity.