Table 3.

Uni- and multivariate predictors of response to CRT by logistic regression analysis.

	Univariate analysis			Multivariate analysis‡
	Odds ratio	95% CI	P-value	Odds ratio	95% CI	P-value
Age	0.96	0.92–1.01	0.082
Male gender	1.04	0.47–2.27	0.930
Non-ischemic etiology	3.35	1.53–7.33	0.002
QRS duration (ms)	1.02	1.00–1.04	0.049
LBBB versus RBBB	2.32	0.45–12.0	0.317
LVEF (%)	1.03	0.97–1.08	0.349
SRSsept %	1.31	1.12–1.54	0.001	1.38	1.13–1.70	0.002
SRSsept (≥ 4% vs < 4%)	3.74	1.72–8.10	0.001	3.71	1.49–9.22	0.005
IVMD	1.02	1.00–1.04	0.033	1.01	0.98–1.03	0.582

All abbreviations were explained in Table 1.

^‡Predictors analyzed separately after adjustment for age, gender, QRS duration, EF at baseline, LBBB/RBBB and ischemic/non-ischemic etiology.