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Breakdown of collagen disease in each group.
| Type of Collagen Disease | Overall (n = 500) |
DVT (n = 26) |
No DVT (n = 474) |
|---|---|---|---|
| Rheumatoid arthritis | 23 | 2 | 21 |
| Systemic lupus erythematosus | 15 | 2 | 13 |
| Dermatomyositis | 8 | 1 | 7 |
| Systemic sclerosis | 3 | 3 | 0 |
| Sjögren syndrome | 3 | 0 | 3 |
| Polymyalgia rheumatica | 2 | 0 | 2 |
| Polyarteritis nodosa | 1 | 0 | 1 |
| Adult Still’s disease | 1 | 0 | 1 |
| Behçet’s disease | 1 | 0 | 1 |
| Eosinophilic granulomatosis with polyangiitis | 1 | 0 | 1 |
DVT: deep venous thrombosis.
