Skip to main content
. Author manuscript; available in PMC: 2023 May 10.
Published in final edited form as: J Electrocardiol. 2022 Apr 18;72:120–127. doi: 10.1016/j.jelectrocard.2022.04.001

Table 1.

Baseline patient characteristics.

Baseline Characteristic
Age (years) 73.5 ± 9.9
Gender:
 Male 9 (81.8)
 Female 2 (18.2)
Heart failure etiology:
 Ischemic 7 (63.6)
 Non-ischemic 4 (36.4)
Rhythm:
 Sinus rhythm 9 (81.8)
 Atrial fibrillation 2 (18.2)
QRS morphology:
 LBBB 7 (63.6)
 RV-paced 3 (27.2)
 RBBB 1 (9.1)
QRS duration (ms) 155.2 ± 16.6
NYHA class 2.8 (0.4)
LV ejection fraction (%) 28.5 ± 9.8
LVEDV (ml) 185.5 ± 58.4
LVESV (ml) 134.4 ± 50.9

Continuous data displayed as mean ± standard deviation. Categorical data displayed as N (%). LBBB: left bundle branch block; LV: left ventricular; LVEDV: left ventricular end-diastolic volume; LVESV: left ventricular end-systolic volume; NYHA: New York Heart Association; RBBB: right bundle branch block; RV: right ventricular.