A R Levy

Summary

Affiliation: University of British Columbia
Country: Canada

Publications

  1. ncbi request reprint Getting the cat back in the bag: reforming the way provinces manage drug expenditures to make them manageable
    Adrian R Levy
    Centre for Health Evaluation and Outcome Sciences, St Paul s Hospital, Department of Health Care and Epidemiology, University of British Columbia, Vancouver
    Healthc Pap 3:32-7; discussion 87-94. 2002
  2. pmc Survival benefit of coronary-artery bypass grafting accounted for deaths in those who remained untreated
    Boris G Sobolev
    Department of Health Care and Epidemiology, The University of British Columbia, Canada
    J Cardiothorac Surg 3:47. 2008
  3. pmc Cumulative incidence for wait-list death in relation to length of queue for coronary-artery bypass grafting: a cohort study
    Boris G Sobolev
    Department of Health Care and Epidemiology, University of British Columbia, Canada
    J Cardiothorac Surg 1:21. 2006
  4. pmc Chances of late surgery in relation to length of wait lists
    Boris G Sobolev
    Department of Health Care and Epidemiology, University of British Columbia, Vancouver, Canada
    BMC Health Serv Res 5:63. 2005
  5. pmc Delay in admission for elective coronary-artery bypass grafting is associated with increased in-hospital mortality
    Boris G Sobolev
    Department of Health Care and Epidemiology, The University of British Columbia, Vancouver, BC, Canada
    BMC Health Serv Res 8:185. 2008
  6. pmc The risk of death associated with delayed coronary artery bypass surgery
    Boris G Sobolev
    Department of Health Care and Epidemiology, University of British Columbia, Vancouver, Canada
    BMC Health Serv Res 6:85. 2006
  7. pmc Using and interpreting cost-effectiveness acceptability curves: an example using data from a trial of management strategies for atrial fibrillation
    Elisabeth Fenwick
    Public Health and Health Policy, University of Glasgow, Glasgow, UK
    BMC Health Serv Res 6:52. 2006
  8. ncbi request reprint Cost-effectiveness of beta-blocker therapy with metoprolol or with carvedilol for treatment of heart failure in Canada
    A R Levy
    Centre for Health Evaluation and Outcome Sciences, St Paul s Hospital, Vancouver, BC, Canada
    Am Heart J 142:537-43. 2001
  9. ncbi request reprint Use of time-dependent measures to estimate benefits of beta-blockers after myocardial infarction
    Adrian R Levy
    Department of Health Care and Epidemiology, University of British Columbia, Canada
    Pharmacoepidemiol Drug Saf 13:623-31. 2004
  10. ncbi request reprint Coding accuracy of administrative drug claims in the Ontario Drug Benefit database
    Adrian R Levy
    Centre for Health Evaluation and Outcome Sciences, St Paul s Hospital, Vancouver, Canada
    Can J Clin Pharmacol 10:67-71. 2003

Collaborators

Detail Information

Publications45

  1. ncbi request reprint Getting the cat back in the bag: reforming the way provinces manage drug expenditures to make them manageable
    Adrian R Levy
    Centre for Health Evaluation and Outcome Sciences, St Paul s Hospital, Department of Health Care and Epidemiology, University of British Columbia, Vancouver
    Healthc Pap 3:32-7; discussion 87-94. 2002
    ..The question of how to implement the recommendations remains to be elucidated, as does an evaluation of the trade-offs between costs and benefits of obtaining better information on cost-effectiveness...
  2. pmc Survival benefit of coronary-artery bypass grafting accounted for deaths in those who remained untreated
    Boris G Sobolev
    Department of Health Care and Epidemiology, The University of British Columbia, Canada
    J Cardiothorac Surg 3:47. 2008
    ..The objective of this analysis was to compare survival after the treatment decision between patients who underwent CABG and those who remained untreated...
  3. pmc Cumulative incidence for wait-list death in relation to length of queue for coronary-artery bypass grafting: a cohort study
    Boris G Sobolev
    Department of Health Care and Epidemiology, University of British Columbia, Canada
    J Cardiothorac Surg 1:21. 2006
    ..Our objective was to compare the cumulative incidence for death on the wait list according to the length of wait lists at the time of registration for the operation...
  4. pmc Chances of late surgery in relation to length of wait lists
    Boris G Sobolev
    Department of Health Care and Epidemiology, University of British Columbia, Vancouver, Canada
    BMC Health Serv Res 5:63. 2005
    ..We sought to determine what proportion of patients have had late coronary bypass surgery after registration on wait lists of different size in a network of hospitals with uniform standards for timing of surgery...
  5. pmc Delay in admission for elective coronary-artery bypass grafting is associated with increased in-hospital mortality
    Boris G Sobolev
    Department of Health Care and Epidemiology, The University of British Columbia, Vancouver, BC, Canada
    BMC Health Serv Res 8:185. 2008
    ....
  6. pmc The risk of death associated with delayed coronary artery bypass surgery
    Boris G Sobolev
    Department of Health Care and Epidemiology, University of British Columbia, Vancouver, Canada
    BMC Health Serv Res 6:85. 2006
    ..Therefore, we sought to improve the estimates of the risk of death associated with delayed surgical treatment of coronary artery disease...
  7. pmc Using and interpreting cost-effectiveness acceptability curves: an example using data from a trial of management strategies for atrial fibrillation
    Elisabeth Fenwick
    Public Health and Health Policy, University of Glasgow, Glasgow, UK
    BMC Health Serv Res 6:52. 2006
    ..The objective of the paper is to illustrate how to construct and interpret a CEAC...
  8. ncbi request reprint Cost-effectiveness of beta-blocker therapy with metoprolol or with carvedilol for treatment of heart failure in Canada
    A R Levy
    Centre for Health Evaluation and Outcome Sciences, St Paul s Hospital, Vancouver, BC, Canada
    Am Heart J 142:537-43. 2001
    ..The purpose of this study was to estimate the cost-effectiveness of beta-blocker therapy with either metoprolol or carvedilol in addition to conventional therapy for patients with heart failure (HF) in Canada...
  9. ncbi request reprint Use of time-dependent measures to estimate benefits of beta-blockers after myocardial infarction
    Adrian R Levy
    Department of Health Care and Epidemiology, University of British Columbia, Canada
    Pharmacoepidemiol Drug Saf 13:623-31. 2004
    ..To estimate the reduction in all-cause mortality conferred by beta-blockers in a population-based cohort of elderly survivors of myocardial infarction during the year following hospital discharge...
  10. ncbi request reprint Coding accuracy of administrative drug claims in the Ontario Drug Benefit database
    Adrian R Levy
    Centre for Health Evaluation and Outcome Sciences, St Paul s Hospital, Vancouver, Canada
    Can J Clin Pharmacol 10:67-71. 2003
    ....
  11. ncbi request reprint Rapid increase in statins newly dispensed to Ontario seniors between 1994 and 2000
    Adrian R Levy
    Centre for Health Evaluation and Outcome Sciences, St Paul s Hospital, Vancouver, British Columbia, Canada
    Can J Cardiol 19:665-9. 2003
    ..There is scant population-based information on the age and sex distributions of patients receiving these medications...
  12. pmc Do women spend longer on wait lists for coronary bypass surgery? Analysis of a population-based registry in British Columbia, Canada
    Adrian R Levy
    Department of Health Care and Epidemiology, University of British Columbia BC, Vancouver, Canada
    BMC Cardiovasc Disord 7:24. 2007
    ..It is therefore difficult to ascertain whether higher operative mortality among women is due to biological differences or to delayed access to elective CABG...
  13. pmc Time on wait lists for coronary bypass surgery in British Columbia, Canada, 1991-2000
    Adrian R Levy
    Department of Health Care and Epidemiology, University of British Columbia, Vancouver, Canada
    BMC Health Serv Res 5:22. 2005
    ..We sought to determine whether the period of registration on wait lists had an effect on time to isolated CABG and whether the period effect was similar across priority groups...
  14. doi request reprint Economic impact of healthcare resource utilisation patterns among patients diagnosed with advanced melanoma in the United Kingdom, Italy, and France: results from a retrospective, longitudinal survey (MELODY study)
    K Johnston
    Oxford Outcomes, Vancouver, Canada
    Eur J Cancer 48:2175-82. 2012
    ..To describe patterns of healthcare resource utilisation and associated costs for patients with advanced melanoma in the United Kingdom (UK), Italy, and France...
  15. ncbi request reprint Do longer delays for coronary artery bypass surgery contribute to preoperative mortality in less urgent patients?
    Boris G Sobolev
    Department of Health Care and Epidemiology, The University of British Columbia, 828 West 10th Avenue, Vancouver, BC, Canada
    Med Care 44:680-6. 2006
    ..We evaluated whether longer delays contribute to the probability of death before surgery among patients prioritized into the less urgent category...
  16. doi request reprint The effect of compensation status on waiting time for elective surgical lumbar discectomy
    Jeffrey A Quon
    Centre for Health Evaluation and Outcome Sciences, St Paul s Hospital, Vancouver, British Columbia, Canada
    Spine (Phila Pa 1976) 34:2052-9. 2009
    ..Prospective cohort study of patients registered for elective surgical lumbar discectomy (ESLD) between November 1999 and December 2003 at a major tertiary care center in Vancouver...
  17. ncbi request reprint A Canadian cohort study of cognitive impairment and related dementias (ACCORD): study methods and baseline results
    H Feldman
    Department of Medicine Neurology, Vancouver Hospital and Health Sciences Center, University of British Columbia, S192 2211 Wesbrook Mall, Vancouver, British Columbia V6T 2B5, Canada
    Neuroepidemiology 22:265-74. 2003
    ..4%, dementia with Lewy bodies 2.5%, and unclassifiable 1.8%. The ACCORD cohort will allow a detailed study of the longitudinal course of CIND, and the longer-term outcomes of both treated and untreated dementia subjects...
  18. ncbi request reprint Economic evaluation of treating chronic obstructive pulmonary disease with inhaled corticosteroids and long-acting beta2-agonists in a health maintenance organization
    Yves M Gagnon
    Oxford Outcomes Ltd, 450 688 West Hastings Street, Vancouver, BC, Canada
    Respir Med 99:1534-45. 2005
    ....
  19. ncbi request reprint The effect of physicians' training on prescribing beta-blockers for secondary prevention of myocardial infarction in the elderly
    Adrian R Levy
    Department of Health Care and Epidemiology, University of British Columbia and Centre for Health Evaluation and Outcome Sciences, St Paul s Hospital, Vancouver, BC, Canada
    Ann Epidemiol 12:86-9. 2002
    ....
  20. ncbi request reprint Use of instrumental variables in the analysis of generalized linear models in the presence of unmeasured confounding with applications to epidemiological research
    K M Johnston
    Department of Health Care and Epidemiology, University of British Columbia, Vancouver, Canada V6T 1Z3
    Stat Med 27:1539-56. 2008
    ..We estimate the effects of beta-blocker therapy on one-year all-cause mortality after an incident hospitalization for heart failure, in the absence of data describing disease severity, which is believed to be a confounder...
  21. ncbi request reprint Cost-effectiveness in Canada of intravenous proton pump inhibitors for all patients presenting with acute upper gastrointestinal bleeding
    R A Enns
    Department of Medicine, St Paul s Hospital, University of British Columbia, Vancouver, Canada
    Aliment Pharmacol Ther 17:225-33. 2003
    ..The administration of proton pump inhibitors intravenously after endoscopic treatment of peptic ulcers significantly reduces the recurrence of bleeding...
  22. doi request reprint Simplified Bayesian sensitivity analysis for mismeasured and unobserved confounders
    P Gustafson
    Department of Statistics, University of British Columbia, Vancouver, British Columbia, Canada
    Biometrics 66:1129-37. 2010
    ..Moreover, a particular computational approach for posterior inference is developed, because application of MCMC in a standard manner is seen to be ineffective in this problem...
  23. doi request reprint The costs of change: direct medical costs of solid organ transplantation in British Columbia, Canada, 1995-2003
    Adrian R Levy
    British Columbia Transplant Society, Vancouver, BC, Canada
    Value Health 12:282-92. 2009
    ..The objective here was to compare the direct medical costs of kidney, liver, heart, and lung transplantations in British Columbia (BC), Canada...
  24. ncbi request reprint Self-reported Morisky score for identifying nonadherence with cardiovascular medications
    Stephen J Shalansky
    Pharmacy Department, St Paul s Hospital, University of British Columbia, Vancouver, British Columbia, Canada
    Ann Pharmacother 38:1363-8. 2004
    ..The Morisky medication adherence scale is a commonly used adherence screening tool. It is composed of 4 yes/no questions about past medication use patterns and is thus quick and simple to use during drug history interviews...
  25. doi request reprint Expanded access to highly active antiretroviral therapy: a potentially powerful strategy to curb the growth of the HIV epidemic
    Viviane D Lima
    British Columbia Centre for Excellence in HIV AIDS, British Columbia, Canada
    J Infect Dis 198:59-67. 2008
    ..These results provide powerful additional motivation to accelerate the roll out of HAART programs aggressively targeting those in medical need, both for their own benefit and as a means of decreasing new HIV infections...
  26. ncbi request reprint Effect of number of medications on cardiovascular therapy adherence
    Stephen J Shalansky
    Pharmacy Department, St Paul s Hospital, Vancouver, British Columbia, Canada
    Ann Pharmacother 36:1532-9. 2002
    ..This study determined the relationship between the number of medications dispensed and adherence with chronic cardiovascular regimens...
  27. doi request reprint Nonadherence increases the risk of hospitalization among HIV-infected antiretroviral naive patients started on HAART
    Sarah J Fielden
    B C Centre for Excellence in HIV AIDS, Vancouver, British Columbia, Canada, Department of Interdisciplinary Studies, University of British Columbia, Vancouver, British Columbia, Canada
    J Int Assoc Physicians AIDS Care (Chic) 7:238-44. 2008
    ..Methods: Analysis was based on a cohort of individuals initiating HAART between 1996 and 2001. The primary outcome was hospitalization for one or more days. Survival methods were used to assess the impact of adherence on hospitalization...
  28. ncbi request reprint Interventional cardiovascular procedures among HIV-infected individuals on antiretroviral therapy 1995-2000
    Paula Braitstein
    British Columbia Centre for Excellence in HIV AIDS, University of British Columbia, Vancouver, British Columbia, Canada
    AIDS 17:2071-5. 2003
    ..To calculate the rate of interventional cardiac procedures (ICP) among HIV-infected individuals ever treated with antiretroviral therapy (ART) and to describe clinical and sociodemographic characteristics associated with ICP...
  29. doi request reprint Predicting hospitalization among HIV-infected antiretroviral naïve patients starting HAART: determining clinical markers and exploring social pathways
    Sarah J Fielden
    BC Centre for Excellence in HIV AIDS, Vancouver, BC, US
    AIDS Care 20:297-303. 2008
    ..These findings highlight the importance of closely monitoring patients starting therapy with low CD4 cell counts in order to mediate or prevent outcomes requiring hospitalization...
  30. doi request reprint A sensitivity analysis using information about measured confounders yielded improved uncertainty assessments for unmeasured confounding
    Lawrence C McCandless
    Department of Statistics, University of British Columbia, Vancouver BC, V6T 1Z2, Canada
    J Clin Epidemiol 61:247-55. 2008
    ..Our objective is to investigate the performance of the method compared to sensitivity analysis, which assumes that there is no relationship between measured and unmeasured confounders...
  31. doi request reprint Adverse drug events associated with the antidotes for methanol and ethylene glycol poisoning: a comparison of ethanol and fomepizole
    Katherine J Lepik
    British Columbia Drug and Poison Information Centre, Vancouver, British Columbia, Canada
    Ann Emerg Med 53:439-450.e10. 2009
    ..We describe type, frequency, severity, seriousness, and onset time of adverse drug events and test the hypothesis that fomepizole results in fewer adverse drug events than ethanol...
  32. doi request reprint A multinational study of health state preference values associated with chronic myelogenous leukemia
    Shelagh M Szabo
    Oxford Outcomes Ltd, Vancouver, BC, Canada
    Value Health 13:103-11. 2010
    ..The purpose was to estimate preference weights from the general population in four developed countries for standardized health states experienced by persons with CML...
  33. doi request reprint Is health-related quality of life improving after stroke? A comparison of health utilities indices among Canadians with stroke between 1996 and 2005
    Jodi D Edwards
    School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada
    Stroke 41:996-1000. 2010
    ..Using 2 Canadian population surveys, the purpose of this study was to identify changes in health-related quality of life in individuals with stroke from 1996 to 2005...
  34. ncbi request reprint The case for expanding access to highly active antiretroviral therapy to curb the growth of the HIV epidemic
    Julio S G Montaner
    British Columbia Centre for Excellence in HIV AIDS, Providence Health Care, University of British Columbia, Vancouver, Canada
    Lancet 368:531-6. 2006
  35. pmc The cost-effectiveness of screening for colorectal cancer
    Jennifer J Telford
    University of British Columbia, Vancouver, BC, Canada
    CMAJ 182:1307-13. 2010
    ..We estimated the incremental cost-effectiveness of 10 strategies for colorectal cancer screening, as well as no screening, incorporating quality of life, noncompliance and data on the costs and benefits of chemotherapy...
  36. ncbi request reprint A simple approach to fitting Bayesian survival models
    Paul Gustafson
    Department of Statistics, University of British Columbia, Vancouver, BC, Canada
    Lifetime Data Anal 9:5-19. 2003
    ..While the basic method applies to piecewise-constant hazards and covariate effects, it is easy to apply importance sampling to consider smoother functions...
  37. ncbi request reprint Do specialist transport personnel improve hospital outcome in critically ill patients transferred to higher centers? A systematic review
    Dean Belway
    Centre for Health Evaluation and Outcome Sciences, St Paul s Hospital, Vancouver, British Columbia, Canada V6Z 1Y6
    J Crit Care 21:8-17; discussion 17-8. 2006
    ..The aim of the study was to determine whether the use of specialist transport personnel improves patient outcome at the receiving hospital for critically ill patients transferred to higher centers...
  38. ncbi request reprint Determinants of hospital length of stay among patients with pneumonia admitted to a large Canadian hospital from 1991 to 2001
    Margaret J McGregor
    Centre for Clinical Epidemiology and Evaluation, Vancouver, British Columbia
    Can Respir J 12:365-70. 2005
    ..Pneumonia is a common reason for hospital admission, and the cost of treatment is primarily determined by length of stay (LOS)...
  39. ncbi request reprint Antiretroviral resistance among HIV-infected persons who have died in British Columbia, in the era of modern antiretroviral therapy
    Magdalena A Recsky
    British Columbia Centre for Excellence in HIV AIDS, St Paul s Hospital, Vancouver, British Columbia, Canada
    J Infect Dis 190:285-92. 2004
    ....
  40. pmc Socioeconomic status and hospital utilization among younger adult pneumonia admissions at a Canadian hospital
    Margaret J McGregor
    Centre for Clinical Epidemiology and Evaluation, Family Practice Research Office, 828 West 10th Avenue, Vancouver, BC, Canada
    BMC Health Serv Res 6:152. 2006
    ..The primary objective of this study therefore, was to examine the relationship of SES to LOS and early re-admission among adult patients hospitalized with community-acquired pneumonia in a setting with universal health insurance...
  41. pmc Impact of reference-based pricing for histamine-2 receptor antagonists and restricted access for proton pump inhibitors in British Columbia
    John K Marshall
    Department of Medicine, McMaster University, Hamilton, Ont
    CMAJ 166:1655-62. 2002
    ..We evaluated the effect of reference-based pricing for H2RAs and special authority for PPIs on dispensing and reimbursement for senior citizen beneficiaries of BC Pharmacare...
  42. ncbi request reprint Assessing the impact of censoring of costs and effects on health-care decision-making: an example using the Atrial Fibrillation Follow-up Investigation of Rhythm Management (AFFIRM) study
    Elisabeth Fenwick
    University of Glasgow, Glasgow, UK
    Value Health 11:365-75. 2008
    ....
  43. pmc The impact of reference pricing of nonsteroidal anti-inflammatory agents on the use and costs of analgesic drugs
    Paul V Grootendorst
    Faculty of Pharmacy, University of Toronto, ON, Canada
    Health Serv Res 40:1297-317. 2005
    ..To estimate the effect of reference pricing (RP) of nonsteroidal anti-inflammatory drugs (NSAIDs) on drug subsidy program and beneficiary expenditures on analgesic drugs...
  44. ncbi request reprint Psychological distress and cancer survival: a follow-up 10 years after diagnosis
    Kirk W Brown
    Department of Clinical and Social Sciences in Psychology, University of Rochester, Rochester, New York 14627 0266, USA
    Psychosom Med 65:636-43. 2003
    ..This study tested the predictive role of psychological distress in cancer survival, while attempting to overcome several important methodological and statistical limitations that have clouded the issue...
  45. ncbi request reprint Cost-effectiveness of rhythm versus rate control in atrial fibrillation
    Deborah A Marshall
    Center for Evaluation of Medicine, McMaster University and St Joseph s Hospital, Hamilton, Ontario, Canada
    Ann Intern Med 141:653-61. 2004
    ..Consequently, economic factors often play a role in guiding treatment selection...