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. Author manuscript; available in PMC: 2020 Oct 1.
Published in final edited form as: J Cardiovasc Electrophysiol. 2019 Jul 11;30(10):1923–1929. doi: 10.1111/jce.14043

Table 4.

CI and VAS on and off therapy according to worst symptom.

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.