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Table 2 Demographics, serologic types and clinical weakness in patients included in the analyses (n = 43)

From: Distinct tissue injury patterns in juvenile dermatomyositis auto-antibody subgroups

Demographics and MSA types CMAS
Mean (range)
MMT8
Mean (range)
CK (U/L)
Mean (range)
Age at diagnosis, years 6 (2–16)    
Sex n (%)    
 Male 11 (25.6)    
 Female 32 (74.4)    
Race n (%)    
 Hispanic 18 (41.9)    
 White 17 (39.5)    
 Black 6 (14.0)    
 Other 2 (4.6)    
MSA n (%)    
 Anti-NXP-2 9 (20.9) 21 (0–51) 59 (32–80) 1019 (47–4681)
 Anti-Mi-2 5 (11.6) 15 (0–46) 25 (21–30) 10,366 (1491-18,992)
 Anti-MDA-5 3 (7.0) 49 (46–52) 72 (64–80) 37 (13–50)
 Anti-Tif-1γ 1 (2.3) 32 59 402
 Anti-SRP 1 (2.3) 48 76 132
 Anti-PL-7 1 (2.3) 2 45 13,972
 Multiple MSAs 6 (14.0) 40 (32–48) 30 (21–39) 1022 (93–3860)
 No MSA 17 (39.5) 27 (4–46) 55 (36–76) 2548 (26–12,809)