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

Table 5

Comparison of risk factors between model group and verification group.

	Model group (N = 1983)	Verification group (N = 406)	value
Gender (male)	1293 (65.20%)	270 (66.50%)	0.668
Age			0.374
60∼66 years	544 (27.43%)	120 (29.56%)
67∼75 years	506 (25.52%)	99 (24.38%)
76∼82 years	502 (25.32%)	66 (16.26%)
Above 82 years	431 (21.73%)	121 (29.8%)
HLP	1177 (59.35%)	225 (55.42%)	0.145
QTcd (ms)	27.92 ± 19.33	28.40 ± 20.41	0.885
Tp-e/QT			0.266
0∼0.19	500 (25.21%)	63 (15.52%)
0.20∼0.22	510 (25.72%)	92 (22.66%)
0.23∼0.24	506 (25.52%)	121 (29.8%)
Above 0.24	467 (23.55%)	130 (32.02%)
LVEF (%)	58.24 ± 8.38	58.58 ± 8.38
LAV (ml)	35.59 ± 11.34	34.67 ± 10.43	0.259