Incidence of sustained ventricular arrhythmias or sudden cardiac death in patients after myocardial infarction

Test	Percent adverse outcomes
Test	For normal test results	For abnormal test results
SAECG and ejection fraction	0-1	31-38
SAECG and Holter monitor	0-1	27-35
Ejection fraction and Holter monitor	7	29
SAECG, ejection fraction, and Holter monitor	0	50
SAECG and programmed stimulation	2	27
SAECG and HRV	7	33
SAECG, HRV, and Holter monitor	4	43

SAECG: signal-averaged electrocardiogram; HRV: heart rate variability.

Adapted from Cain, et al. J Am Coll Cardiol 1996; 27:238.

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