Table 1.

Baseline characteristics

	Normal	Mild-to-Mod LV dysfunction	Severe LV dysfunction
n	75	93	167
Demographics
Age (years)	61.2	63.6	65.9
Sex (% male)	33.3	74.2	77.8
Race (%White)	59.5	69.9	64.7
Comorbidities (%)
CAD	0.0	90.3	82.6
HTN	68.0	88.2	79.6
Diabetes	26.7	47.3	44.3
CRI	16.0	32.3	38.9
Diagnostic testing
QRS Duration (millisecond)	83.9	105.3	126.1
ESV (mL)	26.3	109.4	175.1
Left ventricular mass (g)	115.1	179.9	212.9

CAD, History of coronary artery disease; HTN, hypertension; CRI, chronic renal insufficiency (creatinine ≥ 2 mg/dL); ESV, end systolic volume.