Characteristics of the patients in group 1 and group 2
| Group 1 (n=30) | Group 2 (n=10) | ||
|---|---|---|---|
| Systemic diseases | 8 polymyositis | 6 polymyositis | |
| 4 periarteritis nodosa | 2 systemic sclerosis | ||
| 4 lupus | 2 dermatomyositis | ||
| 3 Churg-Strauss syndrome | |||
| 3 systemic sclerosis | |||
| 3 dermatopolymyositis | |||
| 3 sarcoidosis | |||
| 1 rheumatoid arthritis | |||
| 1 MCTD | |||
| Age | 23–73, mean (SD): 47 (15) | 19–67, mean (SD): 40 (17) | NS, p=0.25 |
| Sex ratio: men/women | 15/15 | 3/7 | |
| Mean time between diagnosis and inclusion | 0–165, mean (SD): 43 (46) months | 2–101, mean (SD): 22 (29) months | NS, p=0.18 |
Group 1: patients with cardiac signs suggesting myocardial involvement. Group 2: patients with no cardiac sign. MCTD: mixed connective tissue disease.