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Clinical End Points of the Study
| End Point | fQRS Group (n = 80) | Non‐fQRS Group (n = 216) | All Patients (n = 296) | P Value |
|---|---|---|---|---|
| Hemodynamic instability (%) | 62.5 | 32.4 | 40.5 | <0.001 |
| Electrical instability (%) | 42.5 | 18.5 | 25 | <0.0001 |
| Mortality (%) | 20 | 5.5 | 9.5 | <0.001 |
fQRS = narrow fragmented QRS complex on electrocardiogram.
