Clinical characteristics of our study cohort (n=98)
| Demographics | |
| Age (years) | 37 (±15) |
| Male | 53 (55) |
| Country | |
| USA | 29 (30) |
| Middle East | 16 (16) |
| Europe | 16 (16) |
| Japan | 12 (12) |
| Other | 25 (26) |
| Presentation | |
| First | 95 (97) |
| Recurrent | 3 (3) |
| Symptomatic | 73 (74) |
| Asymptomatic | 26 (26) |
| Dyspnoea | 38 (39) |
| Chest discomfort/pain | 11 (11) |
| Abdominal discomfort/pain | 5 (5) |
| Enlarged cardiac silhouette | 6 (6) |
| Other | 15 (15) |
| Shock | 4 (4) |
| Cardiac tamponade | 37 (38) |
| Aetiology | |
| Idiopathic/viral | 60 (61) |
| Postcardiac injury syndrome | 23 (23) |
| Malignancy | 11 (11) |
| Other | 4 (4) |
| Time to symptoms onset (days) | 4.8 (4.5–14) |
| Concomitant pericarditis | 7 (7) |
| Medical history | |
| Coronary artery bypass graft | 7 (7) |
| Valve surgery | 11 (11) |
| Malignancy | 12 (12) |
Values are presented as mean (±SD), absolute numbers with associated percentages or as median with IQR.