TABLE 3.

Odds ratios of clinical characteristics for termination using ATP therapy

	n	% of termination using ATP therapy	Univariate analysis			p‐value	Multivariate analysis			p‐value
			Odds ratio	95% confidence interval			Odds ratio	95% confidence interval
RR interval variability of VT
Irregular	94	66%	reference				reference
Regular	196	94%	5.94	2.50	14.13	< 0.001	7.56	3.05	18.78	< 0.001
Average VT rate (bpm)	290	85%	0.97	0.95	0.99	0.006	0.97	0.95	0.99	0.002
Sex
Women	71	86%	reference				reference
Men	219	84%	0.59	0.08	4.40	0.609	0.34	0.06	2.05	0.241
Structural heart disease
Non‐ischemic cardiomyopathy	124	84%	reference				reference
Ischemic cardiomyopathy	166	86%	0.63	0.12	3.45	0.597	1.28	0.24	6.94	0.775
Antiarrhythmic drug use
No	169	88%	reference				reference
Yes	121	80%	0.86	0.15	4.99	0.864	0.57	0.13	2.63	0.474
β‐blocker use
No	86	91%	reference				reference
Yes	204	82%	0.51	0.07	3.48	0.491	0.25	0.04	1.49	0.128
ACE‐I or ARB use
No	101	85%	reference				reference
Yes	189	85%	1.10	0.20	6.12	0.914	1.14	0.20	6.43	0.878

Abbreviated: ACE‐I, angiotensin‐converting enzyme inhibitor; ARB, angiotensin II receptor blocker; ATP, anti‐tachycardia pacing; bpm, beats per min; VT, ventricular tachycardia