Lack of prognostic value of heart rate variability ...

There was no significant difference (NS) between the myocardial infarction and CABG groups for gender (71% male), incidence of hypertension (24%), diabetes (19%), left ventricular systolic dysfunction (34%) defined by ejection fraction lower than 40%, and time elapsed from their MI (1.6(0.8 months) or CABG (1.5(0.9 months). ................
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