Health Research Methods, Evidence, and Impact

Amiram Gafni

BSc (Technion), MSc (Technion), DSc (Technion)

Professor, Department of Health Research Methods, Evidence, and Impact

Member, Centre for Health Economics and Policy Analysis (CHEPA)

Research Associate, Programme for Quantitative Studies in Economics and Population

905.525.9140 x 22681

McMaster University
1280 Main Street West
Hamilton, Ontario, Canada
L8S 4K1

Office location: CRL-208

Academic Interests

In the 2011 World Bank rankings of health economics researchers (Journal of Health Economics, 2012, 31:406-439 (Table 5)) Dr. Gafni was ranked equal 35th in the world (equal 1st in Canada) based on the volume and impact of his publications. Dr. Gafni's research interests in the area of economic evaluation of health care programmes (both methods development and empirical applications), modelling of consumers' health-care behaviour, models of patient-physician decision-making (shared decision-making), policy analysis and risk and decision analysis in health. Among methodological contributions are the development of the healthy-years equivalent (HYE) preference-based measure of outcome for programme evaluation and the development of a bedside decision instrument, a method for helping patients to reveal their preferences regarding treatment.

Current HRM Graduate Students
Heather MacDonald
Mat Mercuri

Recent HRM Graduate Students
MA O’Brien (PhD)
G Ioannidis (PhD)

Selected Publications

  1. Prisman E, Gafni A, Finelli A: Testing the evolution process of prostate specific antigen in early stage prostate cancer: what is the proper underlying model?, Statistics in Medicine, 2011; 30:3038 – 3049.
  2. Gafni A, Walter SD, Birch S, Sendi P: An opportunity cost approach to sample size calculation in cost-effectiveness analysis, Health Economics, 2008; 17:99-107.
  3. Gafni A , Birch S: Incremental Cost-Effectiveness Ratios (ICERs): The Silence of the Lamda, Social Science and Medicine, 2006; 62:2091-2100.
  4. Charles C, Gafni A, Whelan T, O’Brien MA: Cultural Influences on the Physician-Patient Encounter: The Case of Shared Treatment Decision-Making, Patient Education and Counselling, 2006; 63:262-267.
  5. Birch S, Gafni A: Information Created to Evade Reality (ICER): Things We Should Not Look To For Answers, Pharmacoeconomics, 2006; 24:1121-1131.
  6. Whelan T, Levine MN, Willan A, Gafni A et al: Effect of Decision Aid on knowledge and treatment decision making for breast cancer surgery: a randomized trial, JAMA, 2004; 292:435-441.
  7. Birch S, Gafni A: Economics and the evaluation of health care programs: generalizability of methods and the implications for generalizability of results, Health Policy, 2003; 64:207-219.
  8. Donaldson C, Birch S, Gafni A: The ‘distribution problem’ in economic evaluation: income and the valuation of costs and consequences of health care programs, Health Economics, 2002; 11:55-70
  9. Sendi P, Gafni A, Birch S: Opportunity costs and uncertainty in the economic evaluation of health care interventions, Health Economics, 2002; 11:23-31.
  10. Birch S, Gafni A: On being NICE in the UK: guidelines for technology appraisal for the NHS in England and Wales, Health Economics, 2002; 11:185-191.

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