| Pre-myectomy | Post-myectomy | P Value | |
| HR (b/m) | 69.4 ± 9 | 65.8 ± 10 | 0.19 |
| SBP (mmHg) | 115 ± 9 | 112 ± 6 | 0.11 |
| DBP (mmHg) | 72 ± 5 | 71 ± 4 | 0.42 |
| Symptoms Dyspnea Syncope Chest pain Dizziness |
23 (92%) 3 (12%) 2 (8%) 1 (4%) |
0 0 0 0 | <0.0001 |