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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.