Table 2.
Descriptive statistics for the individual events of death, surgical intervention, heart failure, atrial fibrillation, endocarditis, or stroke in the study and register-only cohorts at 6 months and end of follow-up
| Study cohort (n = 1718) |
Register-derived cohort (n = 2103) |
|||
|---|---|---|---|---|
| 6 months after diagnosis | End of follow-up (max 8.9 years) | 6 months after diagnosis | End of follow-up (max 14 years) | |
| Death | 7 (0.4%) | 29 (1.7%) | <5 (0.0%) | 39 (1.9%) |
| Surgical intervention | 94 (5.5%) | 195 (11.4%) | 82 (3.9%) | 255 (12.1%) |
| Heart failure | 45 (2.6%) | 94 (5.5%) | 45 (2.1%) | 121 (5.8%) |
| Atrial fibrillation | 23 (1.3%) | 66 (3.8%) | 18 (0.9%) | 69 (3.3%) |
| Endocarditis | 10 (0.6%) | 21 (1.2%) | <5 (0.2%) | 22 (1.0%) |
| Stroke | <5 (0.2%) | 10 (0.6%) | <5 (0.0%) | 20 (1.0%) |
| Fatal/non-fatal eventsa | 134 (7.8%) | 276 (16.1%) | 113 (5.4%) | 347 (16.5%) |
a
Primary outcome: composite of death, surgical intervention, or any cardiovascular outcome as mutually exclusive events.