[Retracted] Meta-Analysis of Dynamic Electrocardiography in the Diagnosis of Myocardial Ischemic Attack of Coronary Heart Disease

Table 2

The results of subgroup analysis.

Parameters	Group	Reference	Sensitivity		Specificity
			Sen (95% CI)		Spe
Lead	12 leads	24	0.77 (0.72~0.82)	0.021	0.75 (0.68~0.83)	0.223
	3 leads	3	0.82 (0.71~0.94)		0.81 (0.63~0.99)
Diagnostic criteria	ST	22	0.75 (0.70~0.80)	<0.001	0.69 (0.63~0.75)	<0.001
	ST+QTc	3	0.91 (0.85~0.97)		0.97 (0.95~1.00)
Gold standard	CAG	21	0.80 (0.75~0.85)	0.220	0.78 (0.71~0.85)	0.625
	MPI	6	0.69 (0.58~0.81)		0.68 (0.52~0.84)