Table 4.
Worst Symptom | ||||
---|---|---|---|---|
Asymptomatic (n=6) | Syncope (n=4) | SCA (n=4) | p Value | |
EST Off Therapy | ||||
%HR Reserve | 93.2 ± 1.5 | 85.9 ± 8.5 | 64.7 ± 3.5 | 0.0032 |
Ventricular Arrhythmia Score | 0.7 ± 0.3 | 4 ± 0 | 2.75 ± 1.2 | <0.0001 |
Asymptomatic (n=3) | Syncope (n=6) | SCA (n=8) | p Value | |
EST On Maximal Therapy | ||||
%HR Reserve | 73.6 ± 1.5 | 51.7 ± 3.8 | 52.9 ± 4.1 | 0.0078 |
Ventricular Arrhythmia Score | 1.3 ± 0.3 | 2.5 ± 0.6 | 1.9 ± 1.3 | 0.69 |
Abbreviations: HR= heart rate; SCA= sudden cardiac arrest.