Table 1.

Participant characteristics

Characteristics	Mean±SEM	Range
Demographic (n=12)
Gender (M/F)	(8/4)
Age (yr)	63±2	49 – 74
Height (cm)	171±3	154 – 188
Weight (Kg)	84±5	61 – 119
Body mass index (kg/m2)	28.9±1.4	21.6 – 38.5
Left ventricular ejection fraction (%)	41.4±4.2	25 – 62
B-Type Natriuretic Peptide (pg/ml)	439±198	41 – 1803
NT-PRO Brain natriuretic peptide (pg/ml)	816±348	73 – 1015
Etiology (ischemic / dilated / idiopathic)	6 / 5 / 1
Medtronic CRT-D (7289 / 7299 / 7303 / C154DWK)	3 / 7 / 1 / 1
New York Heart Association Class (I / II / III)	3 / 6 / 3
Medications (% on medication)
Angiotensin converting enzyme inhibitors	66.7
All receptor blockers	25.0
β-Blockers	100
Digitalis	41.7
Aspirin	50.0