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Table 2 Results for anti-Rib-P, anti-Sm and anti-dsDNA quantification

From: Anti-ribosomal P protein IgG autoantibodies in patients with systemic lupus erythematosus: diagnostic performance and clinical profile

  SLE HCs RDCs
  P   P
Anti-Rib-P (U/ml) 4.9 ± 20.2 0.07 ± 0.21 0.016 0.6 ± 1.8 0.017
Anti-Rib-P(+), n (%) 18 (14.2%) 0 (0%) <0.001 2 (0.8%) <0.001
Anti-Sm (U/ml) 2.7 ± 13.8 0.02 ± 0.11 0.028 0.1 ± 0.3 0.035
Anti-Sm(+), n (%) 12 (9.4%) 0 (0%) <0.001 0 (0%) ) <0.001
Anti-dsDNA (U/ml) 44.6 ± 73.8 3.5 ± 8.1 <0.001 2.6 ± 4.2 <0.001
Anti-dsDNA(+), n (%) 63 (49.6%) 6 (6.0%) <0.001 5 (2.0%) <0.001
  1. Abbreviations: Anti-dsDNA, anti-double-stranded DNA; anti-Rib-P, anti-ribosomal P; anti-Sm, anti-Smith; SLE, systemic lupus erythematosus. Values represent mean ± standard deviation for concentrations in U/ml and proportions of positives. Differences were assessed using the t-test for continuous variables or the χ2 or Fisher’s exact test for proportions.
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