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| Variables (n, %) | Group I | Group II | Group III | Group IV | p-value |
| Cardiogenic shock | 4 (4%) | 7 (1%) | 12 (3%) | 15 (4%) | 0.037 |
| Stroke/TIA | 2 (2%) | 2 (0.3%) | 1 (0.3%) | 4 (1%) | 0.10 |
| Major bleeding | 0 (0%) | 1 (0.2%) | 1 (0.3%) | 6 (2%) | 0.05 |
| In-hospital mortality | 0 (0%) | 3 (1%) | 4 (1%) | 6 (2%) | 0.30 |
| 90-day mortality | 0 (0%) | 6 (1%) | 17 (4%) | 30 (8%) | < 0.001 |
| 1-year mortality | 1 (1%) | 13 (2%) | 29 (8%) | 71 (18%) | < 0.001 |
TIA, transient ischemic attack.
