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Table 2 Correlation of anti-PM1-α and other known autoantibodies

From: Clinical evaluation of autoantibodies to a novel PM/Scl peptide antigen

  Number positive/all sera (% positive) Number positive/PM1-α-positives (% positive) Number positive/PM1-α-negatives (% positive) P
Scl-70 0/28 (0) 0/15 (0) 0/13 (0) *
Sm 0/28 (0) 0/15 (0) 0/13 (0) *
Rib-P 1/28 (3.6) 1/15 (6.7) 0/13 (0) *
RNP 4/28 (14.4) 1/15 (6.7) 3/13 (23.1) *
Chromatin 1/28 (3.6) 1/15 (6.7) 0/13 (0%) *
Ro-52 18/70 (25.7) 6/19 (31.6) 12/51 (23.5) 0.7056
Ro-60 6/70 (8.6) 2/19 (10.6) 4/51 (7.8) 0.9018
La 3/70 (4.3) 1/19 (5.3) 2/51 (3.9) 0.6766
Mi-2 10/70 (14.3) 3/19 (15.8) 7/51 (13.7) 0.8693
Jo-1 16/70 (22.9) 1/19 (5.2) 15/51 (29.4) 0.0688
  1. * Not calculated due to the limited number of samples.