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Table 3 Cross-positivity for the three determined autoantibodies (anti-Rib-P, anti-Sm, and anti-dsDNA) in patients with SLE

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

Positive for:

n

%

None

57

44.9

Anti-Rib-P only

4

3.1

Anti-Sm only

3

2.4

Anti-dsDNA only

42

33.1

Anti-Rib-P & Anti-Sm

0

0

Anti-Rib-P & Anti-dsDNA

12

9.4

Anti-Sm & Anti-dsDNA

7

5.5

All three autoantibodies

2

1.6

  1. Abbreviations: Anti-dsDNA, anti-double-stranded DNA; anti-Rib-P, anti-ribosomal P; anti-Sm, anti-Smith; SLE, systemic lupus erythematosus.
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