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Thirty‐day mortality rate according to SE etiology classification
| 30‐d mortality (n) | Total episodes (n) | Mortality (%) | 95% CI | |
|---|---|---|---|---|
| Unknown | 8 | 16 | 50% | n.c. |
| Acute symptomatic | 29 | 142 | 20% | 13‐27 |
| Remote symptomatic | 9 | 49 | 18% | 7‐29 |
| Multifactorial | 3 | 28 | 11% | n.c. |
| Progressive symptomatic | 3 | 40 | 8% | n.c. |
| Idiopathic | 0 | 2 | 0% | n.c. |
