The Use of Aspirin for Primary Prevention of Colorectal Cancer: A Systematic Review Prepared for the U.S. Preventive Services Task Force

  1. Catherine Dubé, MD, MSc;
  2. Alaa Rostom, MD, MSc;
  3. Gabriela Lewin, MD;
  4. Alexander Tsertsvadze, MD, MSc;
  5. Nicholas Barrowman, PhD;
  6. Catherine Code, MD;
  7. Margaret Sampson, MILS; and
  8. David Moher, PhD
  1. From the University of Calgary, Calgary, Alberta, Canada, and Children's Hospital of Eastern Ontario Research Institute, University of Ottawa, and Carleton University, Ottawa, Ontario, Canada.
    1. Figure.
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      Figure. Study selection, inclusion, and exclusion at each screening phase for the efficacy end points.

      ASA = aspirin; CRA = colorectal adenoma; CRC = colorectal cancer; RCT = randomized, controlled trial.

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