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- Title
Health state utilities for skeletal-related events secondary to bone metastases.
- Authors
Matza, Louis; Chung, Karen; Brunt, Kate; Brazier, John; Braun, Ada; Currie, Brooke; Palsgrove, Andrew; Davies, Evan; Body, Jean-Jacques
- Abstract
Introduction: Patients with bone metastases often experience skeletal-related events (SREs). Although cost-utility models are used to examine treatments for metastatic cancer, limited information is available on utilities of SREs. The purpose of this study was to estimate the disutility of four SREs: spinal cord compression, pathological fracture, radiation to bone, and surgery performed to stabilize a bone. Methods: General population participants from the UK and Canada completed time trade-off (TTO) interviews to assess the utility of health states drafted based on literature review, clinician interviews, and patient interviews. Respondents first rated a health state describing cancer with bone metastases. Then, the SREs were added to this health state. Results: Interviews were completed with 187 participants (50.8 % male, 80.2 % white). Cancer with bone metastases without an SRE had a mean utility of 0.47 (SD = 0.43) on a standard utility scale (1 = full health, 0 = death). Of the SREs, spinal cord compression was associated with the greatest disutility (i.e., the utility decrease): −0.32 with paralysis and −0.22 without paralysis. Surgery had a disutility of −0.07. Leg, arm, and rib fractures had disutilities of −0.06, −0.04, and −0.03. Two weeks of daily radiation treatment had a disutility of −0.06, while two radiation appointments had the smallest impact on utility (−0.02). Conclusion: All SREs were associated with statistically significant utility decreases, suggesting a perceived impact on quality of life beyond the impact of cancer with bone metastases. The resulting disutilities may be used in cost-utility models examining treatments to prevent SREs secondary to bone metastases.
- Subjects
BONE metastasis; MEDICAL care costs; COST effectiveness; HEALTH policy; PARALYSIS; RADIOTHERAPY; QUALITY of life
- Publication
European Journal of Health Economics, 2014, Vol 15, Issue 1, p7
- ISSN
1618-7598
- Publication type
Article
- DOI
10.1007/s10198-012-0443-2