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Contact Information

Tim Ramsay, PhD


Administrative Coordinator:
Jodi Peters
613-737-8899 x79842

Tim Ramsay

Senior Scientist, Clinical Epidemiology Program
Ottawa Hospital Research Institute
Scientific Director, the Ottawa Methods Centre
Ottawa Hospital Research Institute
Assistant Professor, Faculty of Medicine
University of Ottawa
Associate Director, Training and Education of Clinical Epidemiology Program
Ottawa Hospital Research Institute

Research Interests

  • Biostatistics
  • Epidemiology
  • Mathematics
  • Numerical analysis
  • Risk assessement

Brief Biography

Dr. Tim Ramsay is a scientist with the Clinical Epidemiology Program of the Ottawa Hospital Research Institute (OHRI), as well as an assistant professor with the University of Ottawa’s Department of Epidemiology and Community Medicine. He is also the Scientific Director of the Ottawa Methods Centre (OMC), a group of about 40 scientists, statisticians, programmers, data managers, and information scientists housed within the Clinical Epidemiology Program of the OHRI. The Ottawa Methods Centre exists to enhance and facilitate clinical research within the Ottawa Hospital and the University of Ottawa. The OMC offers expertise in study design, in knowledge synthesis and systematic reviews, in data collection and data management, as well as statistical analysis.

Dr. Ramsay has a PhD in statistics but considers himself to be equally an epidemiologist and a biostatistician. His research is entirely collaborative in nature, and is co-investigator on a wide variety of peer-reviewed projects including both randomized controlled trials and observational studies. I have been co-investigator on 50 peer-reviewed studies worth a total of $34,241,773.00. Over the past two years Dr. Ramsay has served, and continue to serve, as Scientific Officer for the Canadian Institutes of Health Research Randomized Controlled Trials committee. During the four years prior to that, he served as a reviewer on the same committee.

Selected Publications

  1. Veras M, Pottie K, Welch V, Ramsay T, Dahal GP, Cameron D, Tugwell P. Assessing Global Health Competencies in Rehabilitation Students. Rehabil Res Pract. 2013:208187 
  2. Bussières AE, Sales AE, Ramsay T, Hilles S, Grimshaw JM. Impact of imaging guidelines on x-ray utilization among American Provider Network chiropractors: Interrupted time series analysis. Spine J. 2013 Oct 4. pii: S1529-9430(13)01499-X 
  3. Gándara E, Kovacs MJ, Kahn SR, Wells PS, Anderson DA, Chagnon I, Le Gal G, Solymoss S, Crowther M, Carrier M, Langlois N, Kovacs J, Little Ma J, Carson N, Ramsay T, Rodger MA. Non-OO blood type influences the risk of recurrent venous thromboembolism. A cohort study. Thromb Haemost. 2013 Sep 26;110(6).
  4. Dennis J, Ramsay T, Turgeon AF, Zarychanski R. Helmet legislation and admissions to hospital for cycling related head injuries in Canadian provinces and territories: interrupted time series analysis. BMJ. 2013 May 14;346:f2674. 
  5. Sangalli LM, Ramsay JO, Ramsay TO. Spatial spline regression models. J.R. Statist. Soc. (2013):72(4):681-703.