A M Bayoumi
Affiliation: University of Toronto
- The measurement of contingent valuation for health economicsAhmed M Bayoumi
Inner City Health Research Unit, St Michael s Hospital, 30 Bond St, Toronto, ON M5B 1W8, Canada
Pharmacoeconomics 22:691-700. 2004..Future research should address equity concerns associated with using contingent valuation and explore contingent valuation as a measure of utility for health states, particularly those that are minor or temporary...
- Putting episodic disability into context: a qualitative study exploring factors that influence disability experienced by adults living with HIV/AIDSKelly K O'Brien
Department of Health Policy, Management and Evaluation, Faculty of Medicine, University of Toronto, Ontario, Canada
J Int AIDS Soc 12:5. 2009..abstract:..
- How do existing HIV-specific instruments measure up? Evaluating the ability of instruments to describe disability experienced by adults living with HIVKelly K O'Brien
Department of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
Health Qual Life Outcomes 8:88. 2010..In this paper, we describe the extent to which existing HIV-specific health-status instruments capture the experience of disability for adults living with HIV...
- Exploring disability from the perspective of adults living with HIV/AIDS: development of a conceptual frameworkKelly K O'Brien
Department of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
Health Qual Life Outcomes 6:76. 2008..The purpose of this research was to develop a conceptual framework of disability from the perspective of adults living with HIV...
- Protocol for an economic evaluation alongside the University Health Network Whiplash Intervention Trial: cost-effectiveness of education and activation, a rehabilitation program, and the legislated standard of care for acute whiplash injury in OntarioGabrielle van der Velde
Toronto Health Economics and Technology Assessment THETA Collaborative, University of Toronto, and St Michael s Hospital, Toronto, ON Canada
BMC Public Health 11:594. 2011....
- Regional differences in rates of HIV-1 viral load monitoring in Canada: Insights and implications for antiretroviral care in high income countriesJanet M Raboud
Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
BMC Infect Dis 10:40. 2010....
- The cost-effectiveness of Vancouver's supervised injection facilityAhmed M Bayoumi
The Centre for Research on Inner City Health, The Keenan Research Centre in the Li Ka Shing Knowledge Institute, St Michael s Hospital, Toronto, Ont
CMAJ 179:1143-51. 2008..We estimated the impact of the facility on survival, rates of HIV and hepatitis C virus infection, referral to methadone maintenance treatment and associated costs...
- Economic methods for measuring the quality of life associated with HIV infectionA M Bayoumi
Department of Medicine, University of Toronto, Canada
Qual Life Res 8:471-80. 1999..Quality of life is measured as utilities for cost-effectiveness analyses...
- Cost-effectiveness of androgen suppression therapies in advanced prostate cancerA M Bayoumi
Department of Medicine, University of Toronto, and Inner City Health Research Unit, St Michael s Hospital, Toronto, Canada
J Natl Cancer Inst 92:1731-9. 2000..The costs and side effects of several antiandrogen therapies for advanced prostate cancer differ substantially. We estimated the cost-effectiveness of antiandrogen therapies for advanced prostate cancer...
- Methodological, practical, and ethical challenges to inner-city health researchAhmed M Bayoumi
Inner City Health Research Unit, St Michael s Hospital, Toronto, ON, Canada
J Urban Health 79:S35-42. 2002..Throughout the research endeavor, the inner-city health researcher must carefully balance the roles of investigator, advocate, activist, and caregiver...
- Decision analysis with cumulative prospect theoryA M Bayoumi
Department of Medicine, University of Toronto, Ontario, Canada
Med Decis Making 20:404-12. 2000..Individuals sometimes express preferences that do not follow expected utility theory. Cumulative prospect theory adjusts for some phenomena by using decision weights rather than probabilities when analyzing a decision tree...
- The impact of home nocturnal hemodialysis on end-stage renal disease therapies: a decision analysisP A McFarlane
St Michael s Hospital, 61 Queen Street East, 9th Floor, Toronto, Ontario, Canada M5C 2T2
Kidney Int 69:798-805. 2006..Our model suggests that HNHD improves quality-adjusted survival over IHD at an economically attractive cost-effectiveness ratio...
- The quality of life and cost utility of home nocturnal and conventional in-center hemodialysisPhilip A McFarlane
Department of Medicine, Home Dialysis Clinic, Inner City Health Research Unit, St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
Kidney Int 64:1004-11. 2003..We hypothesized that individuals performing home nocturnal hemodialysis would have a higher quality of life and superior cost utility than in-center hemodialysis patients...
- Estimating preference scores in conventional and home nocturnal hemodialysis patientsPhilip A McFarlane
Home Dialysis, Inner City Health Research Unit, St Michael s Hospital, Toronto, Ontario, Canada
Clin J Am Soc Nephrol 2:477-83. 2007..The operational performance of SG was good in this study, whereas biases and methodologic concerns were identified with the TTO and WTP in this population...
- Using exploratory focus groups to establish a sampling strategy to investigate disability experienced by adults living with HIVKelly K O'Brien
Centre for Research on Inner City Health, The Keenan Research Centre in the Li Ka Shing Knowledge Institute, St Michael s Hospital, Ontario, Canada
Curr HIV Res 7:626-33. 2009..Exploratory focus groups may be a useful technique to determine a sampling strategy when exploring a new phenomenon in HIV qualitative research...
- Clinical utility of laboratory testing in women with osteoporosisSophie A Jamal
Department of Medicine, Division of Endocrinology and Metabolism, St Michael s Hospital, University of Toronto, 61 Queen Street East, Toronto, Ontario M5C 2T2, Canada
Osteoporos Int 16:534-40. 2005..4 (95% CI: 1.3-1.6). Our data suggests that when assessing healthy women with osteoporosis ordering a routine panel of laboratory tests is not useful but measuring TSH may be informative...
- Neck pain patients' preference scores for their current healthGabrielle van der Velde
Toronto Health Economics and Technology Assessment THETA Collaborative, University of Toronto, Leslie Dan Pharmacy Building, 6th Floor, Room 658, 144 College Street, and Centre for Research on Inner City Health, Li Ka Shing Knowledge Institute of St Michael s Hospital, Toronto, ON, M5S 3M2, Canada
Qual Life Res 19:687-700. 2010..To elicit neck pain (NP) patients' preference scores for their current health, and investigate the association between their scores and NP disability...
- Acceptance and rejection: cost-effectiveness and the working nephrologistPhilip A McFarlane
Division of Nephrology, St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
Kidney Int 66:1735-41. 2004....
- Health care workers and the initiation of treatment for latent tuberculosis infectionAndrea S Gershon
University of Toronto, Toronto, Ontario
Clin Infect Dis 39:667-72. 2004..The objective of this study was to determine whether health care workers were less likely than non-health care workers to initiate treatment for latent tuberculosis infection...
- Cost-effectiveness analysis of immediate radical cystectomy versus intravesical Bacillus Calmette-Guerin therapy for high-risk, high-grade (T1G3) bladder cancerGirish S Kulkarni
Division of Urology, Department of Surgical Oncology, University Health Network, Toronto, Ontario, Canada
Cancer 115:5450-9. 2009..Because bladder cancer is the most expensive malignancy to treat per patient, decisions regarding the optimal treatment strategy should consider costs...
- The cost-effectiveness of counseling strategies to improve adherence to highly active antiretroviral therapy among men who have sex with menGregory S Zaric
Ivey School of Business, University of Western Ontario, London, Ontario, Canada
Med Decis Making 28:359-76. 2008..The authors developed a model to evaluate the cost-effectiveness of counseling interventions to improve adherence to HAART among men who have sex with men (MSM)...
- Adverse quality of life consequences of antiretroviral medicationsL Y Park-Wyllie
St Michael s Hospital, Toronto, Ontario
AIDS Care 19:252-7. 2007..A broad concept of quality of life is needed to encompass all dimensions important to people living with HIV...
- Identifying the best treatment among common nonsurgical neck pain treatments: a decision analysisGabrielle van der Velde
Institute for Work and Health, Toronto, ON, Canada
Spine (Phila Pa 1976) 33:S184-91. 2008..Decision analysis...
- Management of solitary 1 cm to 2 cm liver nodules in patients with compensated cirrhosis: a decision analysisKaren E Bremner
Toronto General Research Institute, Toronto General Hospital, University Health Network, Toronto, Ontario, Canada
Can J Gastroenterol 21:491-500. 2007..Alternative strategies are immediate treatment or observation until disease progression occurs...
- Outcomes of dosage adjustments used to manage antiretroviral drug interactionsLaura Y Park-Wyllie
Centre for Research on Inner City Health, The Keenan Research Centre in the Li Ka Shing Knowledge Institute, University of Toronto, Toronto, Ontario, Canada
Clin Infect Dis 45:933-6. 2007..03 log10 copies/mL; 95% confidence interval, -0.71 to 0.77) or nevirapine-based interactions (difference in viral load, 0.09 log10 copies/mL; 95% confidence interval, -0.83 to 1.01)...
- Should hemodialysis patients with atrial fibrillation undergo systemic anticoagulation? A cost-utility analysisRobert R Quinn
Department of Medicine, Division of Nephrology, Sunnybrook Health Sciences Centre, Toronto, Canada
Am J Kidney Dis 50:421-32. 2007..Furthermore, there is uncertainty regarding the efficacy of warfarin or acetylsalicylic acid (ASA) therapy for preventing strokes in this subgroup because they were excluded from relevant trials...
- The adherence support gap: the 'ideal' versus 'reality' of antiretroviral adherence support provided by HIV health providers in clinical practiceLaura Y Park-Wyllie
Li Ka Shing Knowledge Institute, St Michael s Hospital, Toronto, ON, Canada
Ann Pharmacother 43:1036-44. 2009....
- The impact of neuropsychological impairment and depression on health-related quality of life in HIV-infectionLisa L Trépanier
Lakeridge Health Oshawa, Corporate Mental Health Program, Oshawa, Ontario, Canada
J Clin Exp Neuropsychol 27:1-15. 2005..These results confirm the importance of depression as a determinant of health-related quality of life in HIV/AIDS and provide a potential avenue for improving health-related quality of life in adults with HIV-infection...
- Nonfinancial factors associated with decreased plasma viral load testing in Ontario, CanadaJanet M Raboud
Division of Infectious Diseases, University Health Network, University of Toronto, Ontario, Canada
J Acquir Immune Defic Syndr 39:327-32. 2005..To examine whether individual characteristics were associated with differential use of viral load testing when testing is available without charge to all HIV-positive patients with provincial health insurance...
- Embolization for pulmonary arteriovenous malformation in hereditary hemorrhagic telangiectasia: a decision analysisSamir Gupta
Departments of Medicine, University of Toronto, Toronto, ON, Canada
Chest 136:849-58. 2009..We used decision analysis to evaluate the optimal treatment strategy for HHT patients with asymptomatic PAVMs...
- Improving the diagnosis of acute heart failure using a validated prediction modelBrian Steinhart
Department of Medicine, Saint Michael s Hospital, 30 Bond Street, Toronto, Ontario, Canada
J Am Coll Cardiol 54:1515-21. 2009..We sought to derive and validate a prediction model by using N-terminal pro-B-type natriuretic peptide (NT-proBNP) and clinical variables to improve the diagnosis of acute heart failure (AHF)...
- Cost-effectiveness of screening for HIV in the era of highly active antiretroviral therapyGillian D Sanders
Duke Clinical Research Institute, Duke University, Durham, NC 27715, USA
N Engl J Med 352:570-85. 2005..The costs, benefits, and cost-effectiveness of screening for human immunodeficiency virus (HIV) in health care settings during the era of highly active antiretroviral therapy (HAART) have not been determined...
- Do clinical marker states improve responsiveness and construct validity of the standard gamble and feeling thermometer: a randomized multi-center trial in patients with chronic respiratory diseaseHolger J Schunemann
Division of Clinical Research Development and INFORMAtion Translation INFROMA, Italian National Cancer Institute Regina Elena, Rome, Italy
Qual Life Res 15:1-14. 2006..We evaluated the impact of clinical marker state (CMS) rating prior to patients' rating their own health on two utility instruments (feeling thermometer (FT) and standard gamble (SG)) in patients with chronic respiratory disease (CRD)...
- A catalog of dermatology utilities: a measure of the burden of skin diseasesSuephy C Chen
Department of Dermatology, Emory University School of Medicine, Emory Center for Outcomes Research, University School of Medicine, Atlanta, Georgia, USA
J Investig Dermatol Symp Proc 9:160-8. 2004..We have demonstrated that skin diseases have considerable burden of disease and provided a preliminary repository of utility data for future researchers and policy makers...
- Cost-effectiveness of HIV screening in patients older than 55 years of ageGillian D Sanders
Duke Clinical Research Institute, Durham, North Carolina 27715, USA
Ann Intern Med 148:889-903. 2008..Recent guidelines recommend HIV screening in patients age 13 to 64 years. The cost-effectiveness of HIV screening in patients age 55 to 75 years is uncertain...
- Payments for care at private for-profit and private not-for-profit hospitals: a systematic review and meta-analysisP J Devereaux
Department of Medicine, McMaster University, Hamilton
CMAJ 170:1817-24. 2004....