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Table 1 Clinical features of patients with DM and PM

From: HLA class II alleles may influence susceptibility to adult dermatomyositis and polymyositis in a Han Chinese population

 

DM n (%) (N = 71)

PM n (%) (N = 20)

p(DM vs. PM)

Serologic group

   

 MSA (anti-Jo-1)

1 (1.4)

2 (10)

0.06

 MAA (SSA, SSB or Scl)

4 (5.63)

4 (20)

0.05

Clinical presentations

   

 Fever

4 (5.6)

1 (5)

0.92

 Raynaud’s disease

0.00

1 (5)

0.06

 Arthritis

1 (1.4)

0.00

0.59

 Interstitial lung disease

261 (37.7)

132 (76.5)

0.04

 Palpitations

1 (1.4)

0.00

0.59

 Dysphagia

10 (14.1)

4 (20)

0.51

 V-sign

26 (36.6)

0.00

n/a

 Gottron papules

24 (33.8)

0.00

n/a

 Periorbital edematous rash

11 (15.5)

0.00

n/a

 Shawl sign

13 (18.3)

0.00

n/a

 Cuticular overgrowth

3 (4.2)

0.00

n/a

  1. MSA: myositosis-specific autoantiboides; MAA: myositosis associated autoantibodies;
  2. 169 DM patients evaluated; 217 PM patients evaluated; n/a: not applicable.
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BMC Dermatology

ISSN: 1471-5945

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