The person trade-off (PTO) has been advocated by some as an alternative measure for the purposes of cost-effectiveness analyses. However, the measurement properties of PTO elicitations are still being defined.
Health Services Research & Development, Veterans Affairs Medical Center, University of Michigan Health Care System, 300 North Ingalls, Room 7C27, Ann Arbor, MI 48109-0429, USA. paubel@umich.edu