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Table 1 LBBB and non-LBBB patient characteristics:

From: Circumferential myocardial strain in cardiomyopathy with and without left bundle branch block

  LBBB (n = 12) Non-LBBB (n = 13) p value
Age (years) 60 ± 10 62 ± 11 0.729
Sex (% male) 83% 77% 0.702
% ICM 33% 46% 0.532
LVEF (%) 27 ± 7 30 ± 7 0.327
LVEDV (ml) 307 ± 60 264 ± 60 0.086
LVESV (ml) 228 ± 56 189 ± 62 0.115
Mitral Regurgitation (ml) 7 ± 12 8 ± 8 0.817
QRS Duration (ms) 161 ± 10 106 ± 16* < 0.0001
NYHA class (median) 2.5 1* 0.003
Hypertension 67% 85% 0.320
Diabetes 25% 31% 0.760
Hyperlipidemia 33% 69% 0.078
Tobacco Use 42% 46% 0.830
ACEI/ARB 100% 92% 0.337
Beta-blocker 100% 85% 0.165
Diuretic 67% 31% 0.078
Aspirin 67% 77% 0.589
Digoxin 42% 8% 0.059
Spironolactone 25% 15% 0.571
  1. ± standard deviation. ICM = ischemic cardiomyopathy. LVEF = left ventricular ejection fraction. LVEDV = left ventricular end-diastolic volume. LVESV = left ventricular end-systolic volume. NYHA = New York Heart Association Classification. ACEI/ARB = angiotensin converting enzyme inhibitor/angiotensin receptor blocker. *p < 0.05.