Process Utility in Breast Biopsy

J. Shannon Swan, William F. Lawrence and Jessica Roy
Additional contact information
J. Shannon Swan: Indiana University Department of Radiology Education and Research Institute, Indianapolis; Massachusetts General Hospital Institute for Technology Assessment, Harvard Medical School. 101 Merrimac St. 10th Floor, Boston, MA, 02114; shannon@mgh-ita.org
William F. Lawrence: Agency for Health Research and Quality, Center for Outcomes and Effectiveness, Rockville, MD
Jessica Roy: Indiana University Cancer Center, Indiana University Department of Radiology Education and Research Institute, Indianapolis

Medical Decision Making, 2006, vol. 26, issue 4, 347-359

Abstract: Purpose . To determine whether the waiting trade-off (WTO) is feasible for differentiating short-term biopsy preferences in an acute situation where anxiety is the symptomatic disease state. Methods . 75 women with past experience of either breast core-needle biopsy (CNB), more invasive excisional surgical biopsy (EXB), or both, had telephone WTO assessments. Patients' baseline and test-related anxiety were valued by time trade-off (TTO) used to scale the WTO. Rating scales (RS) were obtained for convergent validity assessment with WTO and TTO. Results . Data were obtained in 38 women who had both CNB and EXB (“paired†) and 20 who had CNB only and 16 who had EXB only (“unpaired†). Patients rated only the procedure(s) they experienced. Median paired and mean unpaired WTO scores indicated patients were willing to wait significantly longer to avoid EXB ( P = 0.0003, P = 0.0002, respectively). The waiting time difference between EXB and CNB was 2.1 weeks greater in unpaired data than paired data. RS scores comparing the procedures were significantly different only for paired data ( P

Keywords: health utilities; health status measures; quality-adjusted life years; utility assessment; cost-effectiveness (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:sae:medema:v:26:y:2006:i:4:p:347-359

DOI: 10.1177/0272989X06290490

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