Table 4.

Independent predictors of HFbEF.

Variable	OR (95% CI)	P-value
Ischemic cardiomyopathy	0.354 (0.272–0.462)	< 0.001
Treatment with bucindolol	2.194 (1.680–2.865)	< 0.001
Baseline LVEF	1.157 (1.131–1.184)	< 0.001
Systolic blood pressure	1.017 (1.010–1.024)	< 0.001
Heart failure duration (linear spline)
< 30 months	0.956 (0.943–0.969)	< 0.001
≥ 30 months	1.002 (0.998–1.006)	0.435
QRS Duration	0.986 (0.982–0.991)	< 0.001

Note: OR = odds ratio; CI = confidence interval; LVEF = left ventricular ejection fraction.