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Clinical characteristics upon presentation.
| Characteristic | Number of patients (%) |
|---|---|
| Onset of symptoms >12 hours priorto presentation | 14 (38) |
| Asymptomatic patients | 2 (5) |
| Unresponsive patients at the time of first medical encounter | 5 (14) |
| Unknown time of symptoms onset | 2 (5) |
| Positive troponin (>0.1 ng/mL) at the time of presentation | 12 (32) |
