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Assessing Health-Related Quality-of-Life in Prenatal Diagnosis Comparing Chorionic Villi Sampling and Amniocentesis: A Technical Report

Author

Listed:
  • David Feeny

    (Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Institute of Health Economics, Alberta, Centre for Health Economics and Policy Analysis, McMaster University, Health Utilities Inc, Dundas)

  • Marie Townsend

    (Faculty of Health Sciences, McMaster University)

  • William Furlong

    (Centre for Health Economics and Policy Analysis, Department of Clinical Epidemiology and Biostatistics, McMaster University, Health Utilities Inc, Dundas)

  • Darrell Tomkins

    (Department of Medical Genetics, University of Alberta)

  • Gail Robinson

    (Departments of Psychiatry and Obstetrics and Gynaecology, University of Toronto)

  • George Torrance

    (Centre for Health Economics and Policy Analysis, Department of Clinical Epidemiology and Biostatistics, McMaster University, Innovus Research Inc, Burlington)

  • Patrick Mohide

    (Department of Obstetrics and Gynaecology, McMaster University)

  • Qinan Wang

    (Nanyang Technological University, Singapore)

Abstract

Objectives. To assess the health-related quality-of-life (HRQL) effects of chorionic villi sampling (CVS) and genetic amniocentesis (GA) prenatal diagnosis, including factors related to both the processes and the outcomes. Study Design. The HRQL of one hundred twenty six women participating in a randomized controlled clinical trial of CVS versus GA in Toronto and Hamilton, Ontario was assessed in four interviews at weeks 8, 13, 18, and 22 of pregnancy. Statistical analyses included analysis of variance, repeated measures analysis of covariance, chi-square, Fisher’s exact test, Student’s t-tests, and paired t-tests. Results. Utility scores for patients undergoing CVS exceeded those for GA patients at week 18 (p = 0.04). Utility scores for hypothetical health states did not differ significantly by trial arm. Conclusions. CVS results in slightly improved HRQL relative to GA during the second trimester of pregnancy. This advantage needs to be weighed against the high disutility patients attach to infrequent outcomes associated with pregnancy losses, equivocal diagnoses, and diagnostic inaccuracy.

Suggested Citation

  • David Feeny & Marie Townsend & William Furlong & Darrell Tomkins & Gail Robinson & George Torrance & Patrick Mohide & Qinan Wang, 2000. "Assessing Health-Related Quality-of-Life in Prenatal Diagnosis Comparing Chorionic Villi Sampling and Amniocentesis: A Technical Report," Centre for Health Economics and Policy Analysis Working Paper Series 2000-04, Centre for Health Economics and Policy Analysis (CHEPA), McMaster University, Hamilton, Canada.
    • Handle: RePEc:hpa:wpaper:200004
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    File URL: http://www.chepa.org/Files/Working%20Papers/00-04.pdf
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    Cited by:

    1. Elena B. Elkin & Mark E. Cowen & Daniel Cahill & Mary Steffel & Michael W. Kattan, 2004. "Preference Assessment Method Affects Decision-Analytic Recommendations: A Prostate Cancer Treatment Example," Medical Decision Making, , vol. 24(5), pages 504-510, October.

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