Gregory P. Samsa, PhD


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Associate Professor of Biostatistics and Bioinformatics
Assistant Professor in Medicine
Biostatistics & Bioinformatics
2424 Erwin Road Ste 1105
11045 Hock Plaza
Durham, NC 27705
Office Telephone:
(919) 613-5212
  • PhD, University of North Carolina at Chapel Hill, 1988
Research Interests:
Greg Samsa is an applied statistician whose primary interests are in study design, instrument development, information synthesis, practice improvement, effective communication of statistical results, and teaching. He is a believer in the power of statistical thinking, as broadly defined.
Representative Publications:
  • Matchar, DB; Harpole, L; Samsa, GP; Jurgelski, A; Lipton, RB; Silberstein, SD; Young, W; Kori, S; Blumenfeld, A. The headache management trial: a randomized study of coordinated care. Headache. 2008;48:1294-1310.  Abstract
  • Matchar, DB; Patwardhan, MB; Samsa, GP; Haley, WE. Facilitated process improvement: an approach to the seamless linkage between evidence and practice in CKD. American Journal of Kidney Diseases. 2006;47:528-538.  Abstract
  • Samsa, GP; Matchar, DB; Phillips, DL; McGrann, J. Which approach to anticoagulation management is best? Illustration of an interactive mathematical model to support informed decision making. Journal of Thrombosis and Thrombolysis. 2002;14:103-111.  Abstract
  • Samsa, GP; Matchar, DB. Have randomized controlled trials of neuroprotective drugs been underpowered? An illustration of three statistical principles. Stroke. 2001;32:669-674.  Abstract
  • Samsa, GP; Matchar, DB. Relationship between test frequency and outcomes of anticoagulation: a literature review and commentary with implications for the design of randomized trials of patient self-management. Journal of Thrombosis and Thrombolysis. 2000;9:283-292.  Abstract