Beta-blocker use and survival in patients with ventricular fibrillation or symptomatic ventricular tachycardia: the antiarrhythmics versus implantable defibrillators (AVID) trial
Derek V. Exner, MD, MPH*,
James A. Reiffel, MD, FACC ,
Andrew E. Epstein, MD, FACC ,
Robert Ledingham, MS ,
Michael J. Reiter, MD, PhD, FACC ,
Qing Yao, PhD ,
Henry J. Duff, MD ,
Dean Follmann, PhD*,
Eleanor Schron, RN*,
H. Leon Greene, MD, FACC ,
Mark D. Carlson, MD, FACC ,
Michael A. Brodsky, MD, FACC ,
Toshio Akiyama, MD, FACC ,
Christina Baessler, MSN ,
Jeffrey L. Anderson, MD, FACC the AVID Investigators ,1
* National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
University of Washington, Seattle, Washington, USA
Antiarrythmics Versus Implantable Defribillators (AVID) clinical sites, USA

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Figure 1 The 2,901 persons in the present analysis included 970 randomized and 1,931 eligible, nonrandomized patients discharged from hospital with amiodarone alone, an ICD alone or neither of these therapies. Numbers of patients within each treatment strategy are shown in parentheses.
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