Research Article
Soluble IL-2 Receptor in Dermatomyositis: Its Associations with Skin Ulcers and Disease Activity
Table 1
Demographic and clinical characteristics of IIM patients.
| | Characteristic | DM () | IMNM () | |
| | Age (years) | | | 0.682 | | Female, no. (%) | 53 (71.6%) | 13 (81.3%) | 0.544 | | Disease duration, median (range) (months) | 10 (1-604) | 11 (2-120) | 0.804 | | Active disease state, no. (%) | 58 (78.3%) | 14 (87.5%) | 0.511 | | Muscle weakness, no. (%) | 49 (66.2%) | 16 (100%) | 0.004 | | Heliotrope rash, no. (%) | 44 (59.5%) | 0 | <0.001 | | V sign, no. (%) | 39 (52.7%) | 0 | <0.001 | | Gottron’s papules/sign, no. (%) | 51 (68.9%) | 2 (12.5%) | 0.001 | | Mechanic’s hands, no. (%) | 31 (41.9%) | 0 | <0.001 | | Ulcers, no. (%) | 20 (27.0%) | 1 (6.25%) | 0.105 | | Calcinosis, no. (%) | 5 (6.8%) | 0 | 0.581 | | Raynaud’s phenomenon, no. (%) | 2 (2.7%) | 1 (6.25%) | 0.474 | | Arthritis, no. (%) | 29 (39.2%) | 1 (6.25%) | 0.017 | | Dysphagia, no. (%) | 19 (25.7%) | 5 (31.3%) | 0.756 | | Interstitial lung disease, no. (%) | 51 (68.9%) | 7 (43.8%) | 0.083 | | Myositis-specific autoantibody positive, no. (%) | 63 (85.1%) | 11 (68.8%) | 0.150 | | Anti-MDA5 | 28 (37.8%) | 0 | — | | Anti-ARS | 10 (13.5%) | 0 | — | | Anti-NXP2 | 8 (10.8%) | 0 | — | | Anti-SRP | 0 | 8 (50%) | — | | Anti-HMGCR | 0 | 3 (18.8%) | — | | Anti-Mi-2 | 5 (6.8%) | 0 | — | | Anti-Tif1γ | 10 (13.5%) | 0 | — | | Anti-SAE | 2 (2.7%) | 0 | — | | Creatine phosphokinase (U/L) | 59 (12-18144) | 1642 (71-4234) | <0.001 | | MMT8 (0-80) | 80 (72-80) | 68 (51-80) | 0.003 | | Physician VAS (0-10) | | | 0.987 | | MYOACT score (0-1) | | | 0.038 |
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