[Retracted] Application of 24 h Dynamic Electrocardiography in the Diagnosis of Asymptomatic Myocardial Ischemia with Arrhythmia in Elderly Patients with Coronary Heart Disease

Table 2

The diagnostic efficacy of 24 h dynamic electrocardiogram in asymptomatic myocardial ischemia with arrhythmia in elderly patients with CHD.

24 h dynamic electrocardiogram	Pathological result		Total
	Positive (174 cases)	Negative (32 cases)
Positive	168	3	171
Negative	6	29	35
Total	174	32	206