J Thorac Cardiovasc Surg 2006;132:229-232
© 2006 The American Association for Thoracic Surgery
Statistics for the Rest of Us |
CONSORT and beyond
Eugene H. Blackstone, MD
*
Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic, Cleveland, Ohio.
Received for publication March 1, 2006; accepted for publication March 3, 2006.
* Address for reprints: Eugene H. Blackstone, MD, Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic, 9500 Euclid Ave/JJ40, Cleveland, OH 44195 (Email: blackse@ccf.org).
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CONSORT
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Napoleon's march on Moscow commenced on June 23, 1812, as the Grande Armée of 691,500 men, the largest army assembled in European history, crossed the Neman River. Attrition during its advance and ignominious winter retreat, to 22,000 men on December 14, 1812, when it recrossed the river, was depicted by Charles Joseph Minard in what many consider the best statistical graphic ever produced (Figure 1). Less spectacular, but terribly informative, was the depiction along similar lines of patients screened for entry into the Coronary Artery Surgery Study (CASS) at 11 randomizing sites, dwindling from 16,626 to 780 randomized patients (Figure 2).
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Figure 1. Charles Joseph Minard's multifactorial statistical map showing the advance (yellow band) of Napoleon's army from the RussianPolish border to Moscow and its retreat (black band). The width of the band is proportional to the size of the remaining army. Along the bottom of the graph is the temperaturetime scale during the winter retreat. Reprinted from Edward R. Tufte, The Visual Display of Quantitative Information, Graphics Press, Second Edition, 2001, by permission of the publisher.
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Copyright © 2006 by The American Association for Thoracic Surgery.