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The risk classification for intracardiac thrombus based on the risk stratification model according to the proportion of patients with intracardiac thrombus in each risk group
| Group | Low risk | Intermediate risk | High risk |
|---|---|---|---|
| Cumulative risk scores | <8 | 8–10 | >10 |
| Derivation group, n (%) | 1 (1.9) | 9 (39.1) | 5 (83.3) |
| Validation group, n (%) | 2 (8.0) | 3 (30.0) | 2 (40.0) |
