. Author manuscript; available in PMC: 2016 Oct 1.

Published in final edited form as: Am J Cardiol. 2015 Jul 16;116(7):1082–1087. doi: 10.1016/j.amjcard.2015.06.032

Table 2.

Left ventricular characteristics on cardiac magnetic resonance (CMR) imaging by study group

Variable	Total (n=83)	Type of Cardiomyopathy		p-value^†
Variable	Total (n=83)	Ischemic^* (n=36)	Non-ischemic^* (n=47)	p-value^†
Ejection fraction (%)	27.1 ± 8.1	26.7 ± 6.9	27.4 ± 8.9	0.71
End-diastolic volume (mL)	240.0 ± 80.3	226.2 ± 62.3	250.3 ± 91.0	0.18
End-systolic volume (mL)	178.2 ± 74.2	167.9 ± 57.7	186.2 ± 84.4	0.27
Late gadolinium enhancement^‡
Absent	19 (23%)	3 (8%)	16 (34%)	0.01
Non-ischemic only pattern	17 (20%)	1 (3%)	16 (34%)	<0.001
Ischemic only pattern	38 (46%)	27 (75%)	11 (23%)	<0.001
Ischemic and non-ischemic patterns	9 (11%)	5 (14%)	4 (9%)	0.50
Cine (regional wall motion abnormality)	30 (36%)	20 (56%)	10 (21%)	0.003
FPP (presence of hypoperfusion) (n=68)	34 (50%)	20 (69%)	14 (36%)	0.01
Clinical algorithm^§	47 (57%)	31 (86%)	16 (34%)	<0.001

Diagnosed using Felker’s criteria on coronary angiography

^†

Ischemic versus non-ischemic cardiomyopathy cohort comparison

^‡

Non-ischemic pattern is defined as midwall and/or subepicardial late gadolinium enhancement, and ischemic pattern is defined as subendocardial and/or transmural late gadolinium enhancement

^§

Patients categorized as mixed cardiomyopathy by the clinical algorithm (see Figure 1) are categorized as ischemic cardiomyopathy by CMR

Continuous variables are presented as mean ± standard deviation and compared using independent sample t-test. Categorical variables are presented as n (proportion) and compared using the Fisher’s exact test.