[Retracted] Development and Validation of a Risk Prediction Model for Ventricular Arrhythmia in Elderly Patients with Coronary Heart Disease

Table 3

Multivariate analysis of model group by Cox regression.

Variable code	Variable	B	SE	Wald	value	HR (95% CI)
X1	Sex	−0.913	0.246	13.830		0.401 (0.248–0.649)
	Age (2)	0.647	0.270	5.744	0.017	1.910 (1.125–3.241)
	Age (3)	0.009	0.301	0.001	0.975	1.009 (0.560–1.820)
	Age (4)	0.672	0.279	5.808	0.016	1.959 (1.134–3.384)
X3	HLP	1.832	0.234	61.474		6.245 (3.951–9.872)
X4	QTcd	0.011	0.004	8.940	0.003	1.011 (1.004–1.018)
	Tp-e/QT (2)	0.465	0.308	2.283	0.131	1.592 (0.871–2.910)
	Tp-e/QT (3)	0.687	0.303	5.136	0.023	1.988 (1.097–3.601)
	Tp-e/QT (4)	0.890	0.303	8.644	0.003	2.435 (1.345–4.408)
X6	LVEF	−0.121	0.009	165.20		0.886 (0.870–0.902)
X7	LAV	0.016	0.007	5.268	0.022	1.016 (1.002–1.030)