Dr. Jeff Kullgren is a Research Scientist in the Center for Clinical Management Research at the VA Ann Arbor Healthcare System and an Assistant Professor in the Department of Internal Medicine at the University of Michigan Medical School and Institute for Healthcare Policy and Innovation. Dr.
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Reshma Jagsi, MD, DPhil, is Professor, Deputy Chair, and Residency Program Director in the Department of Radiation Oncology and Director of the Center for Bioethics and Social Sciences in Medicine at the University of Michigan.
She graduated first in her class from Harvard College and then pursued her medical training at Harvard Medical School. She also served as a fellow in the Center for Ethics at Harvard University and completed her doctorate in Social Policy at Oxford University as a Marshall Scholar.
Kayte Spector-Bagdady is an Assistant Professor in the Department of Obstetrics and Gynecology at the University of Michigan Medical School and is also the Chief of the Research Ethics Service in the Center for Bioethics and Social Sciences in Medicine (CBSSM). At UM she also serves as Chair of the Research Ethics Committee, a clinical ethicist through CBSSM’s Clinical Ethics Service, and a member of IRB Council. Her current work focuses on the intersection of human subjects research law and ethics with a concentration on genetics, reproduction, and data sharing partnerships.
Dr. Sarah T. Hawley is a Professor in the Division of General Medicine at the University of Michigan and a Research Investigator at the Ann Arbor VA Center of Excellence in Health Services Research & Development. She holds a PhD in health services research from the University of North Carolina and an MPH from Yale University Department of Public Health. Her primary research is in decision making related to cancer prevention and control, particularly among racial/ethnic minority and underserved populations.
Click to decide between death and living with a colostomy. Which would you choose? Are you sure?
Given the choice, would you choose immediate death,or living with a colostomy (where part of your bowel is removed and you have bowel movements into a plastic pouch attached to your belly)?
- Immediate Death
Think about what it would be like if you were diagnosed with colon cancer. You are given the option of choosing between two surgical treatments.The first is a surgery that could result in serious complications and the second has no chance of complications but has a higher mortality rate.
|Possible outcome||Surgery 1
|Cure without complication||80%||80%|
|Cure with colostomy||1%|
|Cure with chronic diarrhea||1%|
|Cure with intermittent bowel obstruction||1%|
|Cure with wound infection||1%|
|No cure (death)||16%||20%|
If you had the type of colon cancer described above, which surgery do you think you would choose?
- Surgery 1
- Surgery 2
How do your answers compare?
Are you saying what you really mean?
CBDSM investigators Brian Zikmund-Fisher, Angela Fagerlin, Peter Ubel, teamed up with Jennifer Amsterlaw, to see if they could reduce the number of people choosing the surgery with the higher rate of death and therefore reducing the discrepancy. A large body of past research has shown that people are notoriously averse to uncertainty. The investigators had a hunch that uncertainty could account for some of the discrepancy. Surgery 1 has a greater number of ambiguous outcomes, perhaps causing people to be averse to it. In an effort to minimize this uncertainty, the investigators laid out a series of scenarios outlining different circumstances and presentations of the two surgeries. For example the research presented some of the participants with a reframing of the surgery information, such as:
|Possible outcome||Surgery 1
|Cured without complication||80%||80%|
|Cured, but with one of the following complications: colostomy, chronic diarrhea, intermittent bowl obstruction, or wound infection||4%|
|No cure (death)||16%||20%|
The investigators believed by grouping all of the complications together that people would be more apt to chose the surgery with the lower mortality rate, because seeing a single group of undesirable outcomes, versus a list, may decrease some of the ambiguity from previous research.
Although none of the manipulations significantly reduced the percentage of participants selecting Surgery 2, the versions that yielded the lowest preference for this surgery all grouped the risk of the four possible complications into a single category, as in the example shown above.
Why these findings are important
Over the past several decades there has been a push to give patients more information so they can make decisions that are consistent with their personal preferences. On the other hand there is a growing psychological literature revealing people's tendency to make choices that are in fact inconsistent with their own preferences; this is a dilemma. Because the present research suggests that the discrepancy between value and surgery choice is extremely resilient, much research still needs to be done in order to understand what underlies the discrepancy, with the goal of eliminating it.
The research reported in this decision of the month is currently in press. Please come back to this page in the near future for a link to the article.
Read the article:
Can avoidance of complications lead to biased healthcare decisions?
Amsterlaw J, Zikmund-Fisher BJ, Fagerlin A, Ubel PA. Judgment and Decision Making 2006;1(1):64-75.
Dr. Michele Gornick is a Research Investigator in the Department of Internal Medicine at the University of Michigan Medical School. Her background training is in cancer genetics, with a focus on using quantitative methods to better understand the genome. Dr. Gornick joined CBSSM to pursue her interest in translational medicine, specifically dealing with issues surrounding communicating genomic information to patients, physicians and other health care providers. She was a VA and CBSSM Postdoctoral Fellow, 2012-2015.
Raymond De Vries PhD is Associate Director at the Center for Bioethics and Social Sciences in Medicine at the University of Michigan and is a Professor in the Department of Learning Health Sciences and the Department of Obstetrics and Gynecology. He is also visiting professor at CAPHRI School for Public Health and Primary Care, University of Maastricht, the Netherlands.
Scott Roberts, PhD, is Professor of Health Behavior & Health Education at the University of Michigan’s School of Public Health (U-M SPH), where he directs the School’s Public Health Genetics program and teaches a course on public health ethics. A clinical psychologist by training, Dr. Roberts conducts research on the psychosocial implications of genetic testing for adult-onset diseases.