Letter to the Editor| Volume 154, ISSUE 3, P645, September 2013

In response to Birgir Gudjonsson, MD

      Thank you for your comments; however, these are the true 5-year survivors.
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      Linked Article

      • Survival calculations
        SurgeryVol. 154Issue 3
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          I wonder if there might be a mistake regarding the number of survivors in the article by Dr Ferrone et al concerning pancreatic resection.1 Their paper covers the years 1985 to 2010 at Massachusetts General Hospital (MGH), and they claim an actual 19% survival rate, or 95 survivors of 499 resected patients, but show a Kaplan-Meier actuarial curve of 19% at 5 years.
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      • Survival calculations
        SurgeryVol. 156Issue 5
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          I am afraid I made a serious oversight in my first Letter to the Editors (Surgery 2013;154:645) regarding the paper by Ferrone et al,1 but it is mainly serious for the authors. In my bewilderment when I saw their figures, I stated in the letter that their study ended in 2010.
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