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NYHA, New York Heart Association
| Characteristics | Frequency (%) |
| NYHA III | 45 (64.28) |
| NYHA IV | 25 (35.71) |
| Systolic blood pressure less than 90 mmHg | 33 (47.14) |
| Thrombus burden greater than 0.8 cm2 | 60 (85.71) |
| Thrombus burden less than 0.8 cm2 | 10 (14.28) |
