Table 3. Results of multivariate logistic regression analysis for the predictors of CRT response.

Variable	β	p value	OR	CI (95%)
				Lower	Upper
Age	-0.011	0.744	0.989	0.925	1.057
Female gender	0.589	0.566	1.803	0.241	13.462
Ischemic etiology	-0.343	0.690	0.710	0.131	3.834
QRS duration	-0.023	0.118	0.977	0.949	1.006
LBBB type QRS morphology	1.316	0.242	2.506	0.538	11.671
NYHA functional capacity	-0.289	0.656	0.749	0.210	2.666
Presence of ED*	1.275	0.032	3.512	1.231	11.477

CI, confidence interval; ED, endothelial dysfunction; LBBB, left bundle branch block; LV, left ventricular; NYHA, New York Heart Association; OR, Odds ratio.

* Presence of ED (RH-PAT values less than 1.7).