Table 1

Myositis-specific and associated autoantibodies in our 15 patients with anti-Ku autoantibodies and elevated CK

MSA and MAAAnti-Ku patients with elevated CK
n=15
Anti-Jo10/15
Anti-PL70/13
Anti-PL120/13
Anti-OJ0/9
Anti-EJ0/9
Anti-Ha0/9
Anti-Zo0/9
Anti-KS0/9
Anti-U1-RNP0/15
Anti-PM/Scl1/14
Anti-Mi20/12
Anti-MDA51/9
Anti-TIF1γ2/9
Anti-NXP20/9
Anti-SAE0/9
Anti-SRP0/11
Anti-HMGCR0/9
Total2*
  • *One patient was positive for both anti-MDA5 and anti-TIF1γ; another had anti-PM/scl and anti-TIF1γ.

  • CK, creatine kinase; MAA, myositis-associated autoantibodies; MSA, myositis-specific autoantibodies.