L. Lévesque

Most-cited papers

1. Problem of immortal time bias in cohort studies: example using statins for preventing progression of diabetes

   L. Lévesque, J. Hanley, A. Kezouh, S. Suissa

   2010British medical journal1,165 citations

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2. Interrupted time series analysis in drug utilization research is increasing: systematic review and recommendations.

   Racquel Jandoc, A. M. Burden, M. Mamdani, L. Lévesque +1 more

   2015Journal of Clinical Epidemiology436 citations Open access

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3. Reduction of morbidity and mortality by statins, angiotensin-converting enzyme inhibitors, and angiotensin receptor blockers in patients with chronic obstructive pulmonary disease.

   G. B. John Mancini, M. Etminan, Bin Zhang, L. Lévesque +2 more

   2006Journal of the American College of Cardiology428 citations Open access

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4. Thiazolidinediones and cardiovascular outcomes in older patients with diabetes.

   L. Lipscombe, T. Gomes, L. Lévesque, J. Hux +2 more

   2007Journal of the American Medical Association (JAMA)357 citations

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5. Association of selective and conventional nonsteroidal antiinflammatory drugs with acute renal failure: A population-based, nested case-control analysis.

   V. Schneider, L. Lévesque, Bin Zhang, T. Hutchinson +1 more

   2006American Journal of Epidemiology285 citations Open access

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6. Fracture risk in oral glucocorticoid users: a Bayesian meta-regression leveraging control arms of osteoporosis clinical trials

   M. A. Amiche, J. M. Albaum, Mina Tadrous, P. Pechlivanoglou +3 more

   2016Osteoporosis International141 citations

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7. Effect of human papillomavirus (HPV) vaccination on clinical indicators of sexual behaviour among adolescent girls: the Ontario Grade 8 HPV Vaccine Cohort Study

   Leah M. Smith, J. Kaufman, E. Strumpf, L. Lévesque

   2015Canadian Medical Association Journal117 citations Open access

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8. Time variations in the risk of myocardial infarction among elderly users of COX-2 inhibitors

   L. Lévesque, J. Brophy, Bin Zhang

   2006Canadian Medical Association Journal73 citations Open access

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9. Antipsychotic drugs and hyperglycemia in older patients with diabetes.

   L. Lipscombe, L. Lévesque, A. Gruneir, H. Fischer +6 more

   2009Archives of Internal Medicine72 citations

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10. The Early Benefits of Human Papillomavirus Vaccination on Cervical Dysplasia and Anogenital Warts

    Leah M. Smith, E. Strumpf, J. Kaufman, Aisha K. Lofters +2 more

    2015Pediatrics67 citations Open access

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11. The coronary risk of cyclo-oxygenase-2 inhibitors in patients with a previous myocardial infarction

    J. Brophy, L. Lévesque, Bin Zhang

    2005Heart66 citations Open access

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12. Factors associated with initiation and completion of the quadrivalent human papillomavirus vaccine series in an ontario cohort of grade 8 girls

    Leah M. Smith, P. Brassard, J. Kwong, S. Deeks +2 more

    2011BMC Public Health63 citations Open access

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13. Defining, quantifying, and characterizing adult frequent users of a suburban Canadian emergency department.

    J. Moe, Allan L. Bailey, R. Oland, L. Lévesque +1 more

    2013CJEM60 citations Open access

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14. Occurrence of pregnancy and pregnancy outcomes during isotretinoin therapy

    David Henry, C. Dormuth, B. Winquist, G. Carney +6 more

    2016Canadian Medical Association Journal58 citations Open access

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15. Benzodiazepines and elderly drivers: a comparison of pharmacoepidemiological study designs

    Caroline Hébert, J. A. Chris Delaney, B. Hemmelgarn, L. Lévesque +1 more

    2007Pharmacoepidemiology and Drug Safety54 citations

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16. Does the Addition of Functional Status Indicators to Case-Mix Adjustment Indices Improve Prediction of Hospitalization, Institutionalization, and Death in the Elderly?

    N. Mayo, L. Nadeau, L. Lévesque, Sydney B. Miller +2 more

    2005Medical Care52 citations

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17. Efficacy of osteoporosis pharmacotherapies in preventing fracture among oral glucocorticoid users: a network meta-analysis

    M. A. Amiche, J. M. Albaum, Mina Tadrous, P. Pechlivanoglou +3 more

    2016Osteoporosis International51 citations

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18. Comparative gastrointestinal safety of bisphosphonates in primary osteoporosis: a network meta-analysis

    Mina Tadrous, L. Wong, M. Mamdani, D. Juurlink +3 more

    2014Osteoporosis International49 citations

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19. Effectiveness of Oral Bisphosphonates in Reducing Fracture Risk Among Oral Glucocorticoid Users: Three Matched Cohort Analyses

    M. Amine Amiche, L. Lévesque, T. Gomes, Jonathan D. Adachi +1 more

    2018Journal of Bone and Mineral Research48 citations Open access

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20. Quadrivalent human papillomavirus vaccination in girls and the risk of autoimmune disorders: the Ontario Grade 8 HPV Vaccine Cohort Study

    E. Y. Liu, Leah M. Smith, A. Ellis, H. Whitaker +4 more

    2018Canadian Medical Association Journal40 citations Open access

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21. Individual- and Regional-level determinants of Human Papillomavirus (HPV) vaccine refusal: the Ontario Grade 8 HPV vaccine cohort study

    O. Remes, Leah M. Smith, Beatriz E Alvarado-Llano, L. Colley +1 more

    2014BMC Public Health40 citations Open access

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22. Anti-diabetic drug use and the risk of motor vehicle crash in the elderly.

    B. Hemmelgarn, L. Lévesque, S. Suissa

    2006The Canadian journal of clinical pharmacology = Journal canadien de pharmacologie clinique38 citations

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23. Strategies for evaluating the assumptions of the regression discontinuity design: a case study using a human papillomavirus vaccination programme

    Leah M. Smith, L. Lévesque, J. Kaufman, E. Strumpf

    2016International Journal of Epidemiology35 citations Open access

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24. Antipsychotic drugs and the risk of hyperglycemia in older adults without diabetes: a population-based observational study.

    L. Lipscombe, L. Lévesque, A. Gruneir, H. Fischer +6 more

    2011The American journal of geriatric psychiatry35 citations

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25. Osteoporosis management among chronic glucocorticoid users: a systematic review.

    J. M. Albaum, S. Youn, L. Lévesque, A. Gershon +1 more

    2014Journal of population therapeutics and clinical pharmacology = Journal de la therapeutique des populations et de la pharamcologie clinique30 citations

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26. Selective Serotonin Reuptake Inhibitor (SSRI) Antidepressants, Prolactin and Breast Cancer

    J. E. Ashbury, L. Lévesque, Patricia A. Beck, K. Aronson

    2012Frontiers in Oncology30 citations Open access

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27. A population-based case-control study of Selective Serotonin Reuptake Inhibitors (SSRIs) and breast cancer: The impact of duration of use, cumulative dose and latency

    Janet E. Ashbury, L. Lévesque, Patricia A. Beck, K. Aronson

    2010BMC Medicine27 citations Open access

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28. Investigation of an interaction between statins and clopidogrel after percutaneous coronary intervention: a cohort study

    A. Blagojević, J. A. Delaney, L. Lévesque, N. Dendukuri +2 more

    2009Pharmacoepidemiology and Drug Safety27 citations

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29. Risk of upper gastrointestinal bleeding with oral bisphosphonates and non steroidal anti‐inflammatory drugs: a case‐control study

    M. Etminan, L. Lévesque, J. M. Fitzgerald, J. M. Brophy

    2009Alimentary Pharmacology and Therapeutics26 citations

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30. Glucocorticoid-induced osteoporosis management among seniors, by year, sex, and indication, 1996–2012

    J. M. Albaum, L. Lévesque, A. Gershon, G. Liu +1 more

    2015Osteoporosis International25 citations

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31. Nitrous oxide analgesia during retinopathy screening: a randomised controlled trial

    R. Mandel, N. Ali, John Chen, I. Galić +1 more

    2011Archives of Disease in Childhood: Fetal and Neonatal Edition17 citations

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32. Evidence of effective delivery of the human papillomavirus (HPV) vaccine through a publicly funded, school-based program: the Ontario Grade 8 HPV Vaccine Cohort Study

    Ting W. Lim, K. Sears, Leah M. Smith, Guo-Yuan Liu +1 more

    2014BMC Public Health16 citations Open access

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33. Variability of breast cancer risk in observational studies of hormone replacement therapy: a meta-regression analysis.

    E. Garbe, L. Lévesque, S. Suissa

    2004Maturitas15 citations

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34. Health Services Utilization is Increased in Poor Perceivers of Bronchoconstriction and Hyperinflation in Asthma.

    Sean O'Loghlen, L. Lévesque, T. Fisher, Y. Dewit +3 more

    2020Journal of Allergy and Clinical Immunology: In Practice13 citations

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35. Brief Report: Increase in Melanoma Incidence in Ontario

    Annie R. Langley, L. Lévesque, T. Baetz, Y. Asai

    2018Journal of Cutaneous Medicine and Surgery11 citations

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36. Comparative gastrointestinal safety of bisphosphonates in primary osteoporosis: a network meta-analysis—reply to Pazianas and Abrahamsen

    Mina Tadrous, M. Mamdani, D. Juurlink, M. Krahn +2 more

    2014Osteoporosis International11 citations

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37. Comparison of orally administered bisphosphonate drugs in reducing the risk of hip fracture in older adults: a population-based cohort study.

    S. Cadarette, L. Lévesque, M. Mamdani, S. Perreault +8 more

    2013CMAJ Open10 citations Open access

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38. A Comparison of Methods for Forecasting Emergency Department Visits for Respiratory Illness Using Telehealth Ontario Calls

    Alexander Perry, Kieran M. Moore, L. Lévesque, C. Pickett +1 more

    2010Canadian journal of public health10 citations Open access

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39. Comparison of the Effect of Thiazide Diuretics and Other Antihypertensive Drugs on Central Blood Pressure: Cross‐Sectional Analysis Among Nondiabetic Patients

    C. Moura, S. Daskalopoulou, L. Lévesque, S. Bernatsky +4 more

    2015The Journal of Clinical Hypertension9 citations Open access

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40. Trends in nurse practitioners' prescribing to older adults in Ontario, 2000-2010: a retrospective cohort study.

    J. Tranmer, L. Colley, D. Edge, K. Sears +2 more

    2015CMAJ Open8 citations Open access

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41. Urban–rural differences in the uptake of new oral bisphosphonate formulations

    Racquel Jandoc, M. Mamdani, L. Lévesque, S. Cadarette

    2016Archives of Osteoporosis6 citations

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42. Safety and use of tetanus-diphtheria-acellular pertussis-5 (Tdap5) vaccine during pregnancy: findings from 11 years of reporting to a pregnancy registry

    Charlotte Switzer, I. Tikhonov, Alena Khromava, V. Pool +1 more

    2021Human Vaccines & Immunotherapeutics5 citations Open access

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43. Implementation of Ontario’s emergency department asthma care pathway for adults: determinants of uptake

    Chanel Kwok, L. Lévesque, Y. Dewit, J. Olajos-Clow +4 more

    2019Journal of Asthma3 citations

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44. CPCSSN's role in improving pharmacovigilance.

    T. Williamson, L. Lévesque, R. Morkem, R. Birtwhistle

    2014Canadian family physician Medecin de famille canadien3 citations

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45. Continuation of statin treatment and mortality: a note of caution on excessive benefits.

    K. Filion, V. Schneider-Lindner, I. Karp, L. Lévesque +2 more

    2009Archives of Internal Medicine3 citations

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46. Furosemide use and hospitalization for benign prostatic hyperplasia.

    Joseph A. Delaney, L. Lévesque, M. Etminan, S. Suissa

    2006The Canadian journal of clinical pharmacology = Journal canadien de pharmacologie clinique3 citations

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47. Canada's Health Care Evaluation Seminars: an epilogue and evaluation.

    M. Baskin, L. Lévesque, A. Macpherson, P. Poole +1 more

    1980Canadian journal of public health3 citations

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48. Poor perception of bronchoconstriction and hyperinflation and risk of acute asthma exaerbations: A data linkage analysis

    M. Lougheed, L. Lévesque, Sean O'Loghlen, T. Fisher +2 more

    20161 citations

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49. The risk for myocardial infarction with cyclooxygenase-2 inhibitors [4] (multiple letters)

    J. A. Kim, Y. Choi, Dokyung Yoon, K. Cho +8 more

    20051 citations

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50. Influenza vaccine effectiveness in patients with chronic obstructive pulmonary disease: a cohort study emulating a randomized trial.

    S. Galmiche, S. Dell'Aniello, L. Lévesque, S. Suissa

    2026Clinical Microbiology and Infection0 citations Open access

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