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Table 3 Prevalence of autoantibodies in anti-Rib-P-positive samples (n = 51)

From: Limited reliability of the indirect immunofluorescence technique for the detection of anti-Rib-P antibodies

  Positive + borderline, number (percentage) Positive, number (percentage)
Mikrogen ENA line assaya
   Histone 38 (74.5) 18 (35.3)
   dsDNA 34 (66.7) 14 (27.5)
   SmB 23 (45.1) 13 (25.5)
   Ro52 22 (43.1) 17 (33.3)
   SmD 21 (41.2) 6 (11.8)
   SS-A/Ro60 21 (41.2) 13 (25.5)
   Rib-P 19 (37.3) 13 (25.5)
   RNPA 11 (21.6) 8 (15.7)
   RNPC 8 (15.7) 5 (9.8)
   SS-B/La 7 (13.7) 7 (13.7)
   PCNA 6 (11.8) 3 (5.9)
   RNP68 4 (7.8) 3 (5.9)
   CENPB 3 (5.9) 2 (3.9)
   Topoisomerase-I 2 (3.9) 1 (2.0)
   Jo-1 1 (2.0) 1 (2.0)
ELISA
   Rib-P 36 (70.6) 27 (52.9)
ALBIA
   Rib-P 51 (100.0) 27 (52.9)
   Chromatin 27 (52.9) 22 (43.1)
   Ro52 13 (25.5) 12 (23.5)
   SS-A/Ro60 11 (21.6) 8 (15.7)
   RNP 8 (15.7) 2 (3.9)
   Topoisomerase I 8 (15.7) 4 (7.8)
   Sm 8 (15.7) 5 (9.8)
   Jo-1 1 (2.0) 0 (0.0)
   SS-B/La 1 (2.0) 1 (2.0)
  1. aMikrogen GmbH (Neuried, Germany). ALBIA, addressable laser bead immunoassay; ELISA, enzyme-linked immunosorbent assay; ENA, anti-extractable nuclear antigen; Rib-P, ribosomal P protein.
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