Table 1.

Comparison of the Characteristics of the 2 Ventriculophasic Response Groups

Parameter	VR Present, n = 28	VR Absent, n = 23	P Value
Age, y	77.2 ± 12.5	78.2 ± 11.9	0.7
Women, no. (%)	17 (60.7)	4 (17.4)	0.004
Coronary artery disease, no. (%)	12 (42.8)	15 (65)	0.1
Diabetes mellitus, no. (%)	7 (25)	11 (47.8)	0.09
β‐Blocker therapy, no. (%)	15 (53)	17 (73)	0.1
LVEF ≥40%, no. (%)	21 (81)	10 (45)	0.01
Mean LVEF, %	49.9 ± 16.7	38.9 ± 18.3	0.03

Abbreviations: LVEF, left ventricular ejection fraction; VR, ventriculophasic response.