Baseline and Dipyridamole-Induced Hemodynamic Changes of Study Groups
| Characteristic | Nonobstructive HCM (n = 11) | Obstructive HCM (n = 12) | Latent HCM (n = 10) | P |
| Rest HR ± SD (bpm) | 58 ± 9 | 61 ± 9 | 64 ± 9 | 0.3 |
| Peak HR | 83 ± 14 | 89 ± 20 | 87 ± 8 | 0.6 |
| HR response | 25 ± 11 | 28 ± 15 | 23 ± 7 | 0.6 |
| SBP, rest | 128 ± 16 | 136 ± 15 | 140 ± 18 | 0.2 |
| Diastolic blood pressure, rest | 62 ± 8 | 72 ± 10 | 70 ± 14 | 0.09 |
| Mean arterial pressure | ||||
| Rest | 84 ± 11 | 93 ± 10 | 93 ± 14 | 0.1 |
| Nadir | 76 ± 15 | 87 ± 12 | 86 ± 12 | 0.1 |
| Difference | −8 ± 8 | −5 ± 6 | −8 ± 10 | 0.7 |
| RPP | 7,389 ± 1,542 | 8,297 ± 1,360 | 8,907 ± 1,298 | 0.06 |