All Stories

  1. Are Neural Representation Learning Methods a Viable Alternative to TMLE for Causal Estimation?

    Article • Data Science in Science, November 2025, Taylor & Francis

    Dr. Mohammad Ehsanul Karim

  2. Intersectional disparities in mental healthcare utilization by sex and race/ethnicity among US adults: An NHANES study

    Article • PLOS Global Public Health, October 2025, PLOS

    Dr. Mohammad Ehsanul Karim

  3. Finding the Optimal Number of Splits and Repetitions in Double Cross‐Fitting Targeted Maximum Likelihood Estimators

    Article • Pharmaceutical Statistics, September 2025, Wiley

    Dr. Mohammad Ehsanul Karim

  4. LASSO-Based Survival Prediction Modeling with Multiply Imputed Data: A Case Study in Tuberculosis Mortality Prediction

    Article • The American Statistician, August 2025, Taylor & Francis

    Dr. Mohammad Ehsanul Karim

  5. Bayesian adaptive enrichment design in multi-arm clinical trials: The BayesAET package for R users

    Article • Computer Methods and Programs in Biomedicine, August 2025, Elsevier

    Dr. Mohammad Ehsanul Karim

  6. Enhancing risk prediction base on health administrative data using high-dimensional prediction model

    Article • Journal of Clinical Epidemiology, August 2025, Elsevier

    Dr. Mohammad Ehsanul Karim

  7. High‐Dimensional Disease Risk Score for Dealing With Residual Confounding Bias in Estimating Treatment Effects With a Survival Outcome

    Article • Pharmacoepidemiology and Drug Safety, July 2025, Wiley

    Dr. Mohammad Ehsanul Karim

  8. Simultaneously Dealing With Immortal Time Bias and Residual Confounding: A Case Study of a High‐Dimensional Propensity Score Approach With a Nested Case–Control Framework in Multiple Sclerosis Research

    Article • Pharmacoepidemiology and Drug Safety, June 2025, Wiley

    Dr. Mohammad Ehsanul Karim

  9. Is there a competitive advantage to using multivariate statistical or machine learning methods over the Bross formula in the hdPS framework for bias and variance estimation?

    Article • PLOS One, May 2025, PLOS

    Dr. Mohammad Ehsanul Karim

  10. Intersectional Disparities in Mental Healthcare Utilization by Sex and Race/Ethnicity among US Adults: An NHANES Study

    Article • May 2025, Cold Spring Harbor Laboratory Press

    Dr. Mohammad Ehsanul Karim

  11. How Effective Are Machine Learning and Doubly Robust Estimators in Incorporating High‐Dimensional Proxies to Reduce Residual Confounding?

    Article • Pharmacoepidemiology and Drug Safety, May 2025, Wiley

    Dr. Mohammad Ehsanul Karim

  12. Examining the Role of Race/Ethnicity and Sex in Modifying the Association Between Early Smoking Initiation and Mortality: A 20-Year NHANES Analysis

    Article • AJPM Focus, April 2025, Elsevier

    Dr. Mohammad Ehsanul Karim

  13. Evaluating the Role of High‐Dimensional Proxy Data in Confounding Adjustment in Multiple Sclerosis Research: A Case Study

    Article • Pharmacoepidemiology and Drug Safety, February 2025, Wiley

    Dr. Mohammad Ehsanul Karim

  14. Towards robust causal inference in epidemiologic research: employing double cross-fit TMLE in right heart catheterization data

    Article • American Journal of Epidemiology, December 2024, Oxford University Press (OUP)

    Dr. Mohammad Ehsanul Karim

  15. Comorbidities and their association with outcomes in the multiple sclerosis population: A rapid review

    Article • Multiple Sclerosis and Related Disorders, December 2024, Elsevier

    Dr. Mohammad Ehsanul Karim

  16. Physical comorbidity is associated with overnight hospitalization in U.S. adults with asthma: an assessment of the 2005–2018 National Health and Nutrition Examination Surveys

    Article • Journal of Asthma, August 2024, Taylor & Francis

    Dr. Mohammad Ehsanul Karim

  17. High-Dimensional Propensity Score and Its Machine Learning Extensions in Residual Confounding Control

    Article • The American Statistician, August 2024, Taylor & Francis

    Dr. Mohammad Ehsanul Karim

  18. Receipt of Opioid Agonist Treatment in provincial correctional facilities in British Columbia is associated with a reduced hazard of nonfatal overdose in the month following release

    Article • PLOS One, July 2024, PLOS

    Dr. Mohammad Ehsanul Karim

  19. Assessing the Risk of Depression Among U.S. Adults with Resolved Thyroid Dysfunction--data analysis from the National Health and Nutrition Examination Survey (2013–2018)

    Article • May 2024, Cold Spring Harbor Laboratory Press

    Dr. Mohammad Ehsanul Karim

  20. Investigating the Antibody Imprinting Hypothesis among Canadian Paramedics after SARS-CoV-2 Omicron Variant Circulation

    Article • ImmunoHorizons, February 2024, Oxford University Press (OUP)

    Dr. Mohammad Ehsanul Karim

  21. Abdominal drainage after elective colorectal surgery: propensity score-matched retrospective analysis of an Italian cohort

    Article • BJS Open, January 2024, Oxford University Press (OUP)

    Prof Marco Clementi, Dr. Mohammad Ehsanul Karim

  22. Treatment of HCV with direct-acting antivirals on reducing mortality related to extrahepatic manifestations: a large population-based study in British Columbia, Canada

    Article • The Lancet Regional Health - Americas, January 2024, Elsevier

    Dr. Mohammad Ehsanul Karim

  23. The impact of comorbidities on outcomes in the multiple sclerosis population: a rapid review protocol

    Article • November 2023, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  24. The intensity and duration of occupational noise exposure and cardiovascular disease in the United States: a nationally representative study, 2015 to 2020

    Article • Annals of Work Exposures and Health, November 2023, Oxford University Press (OUP)

    Dr. Mohammad Ehsanul Karim

  25. Distinct healthcare utilization profiles of high healthcare use tuberculosis survivors: A latent class analysis

    Article • PLOS One, September 2023, PLOS

    Dr. Mohammad Ehsanul Karim

  26. 11-month SARS-CoV-2 immunogenicity decay, and associated factors, among mRNA vaccinees: Implications for Booster Vaccination

    Article • September 2023, Society for General Microbiology

    Dr. Mohammad Ehsanul Karim

  27. Chronic physical conditions and suicidal ideation: a population-level analysis of Canadian school-attending young adults

    Article • Journal of Mental Health, September 2023, Taylor & Francis

    Dr. Mohammad Ehsanul Karim

  28. The association between HIV self-test awareness and recent HIV testing uptake in the male population in Gambia: data analysis from 2019–2020 demographic and health survey

    Article • BMC Infectious Diseases, May 2023, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  29. Implementing TMLE in the presence of a continuous outcome

    Article • Research Methods in Medicine & Health Sciences, May 2023, SAGE Publications

    Dr. Mohammad Ehsanul Karim

  30. Healthcare Utilization After Respiratory Tuberculosis: A Controlled Interrupted Time Series Analysis

    Article • Clinical Infectious Diseases, May 2023, Oxford University Press (OUP)

    Dr. Mohammad Ehsanul Karim

  31. Adding nuance to dietary prescriptions: does sodium reduction benefit people already losing weight?

    Article • Journal of Human Hypertension, March 2023, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  32. The Problem of Pain in the United States: A Population-Based Characterization of Biopsychosocial Correlates of High Impact Chronic Pain Using the National Health Interview Survey

    Article • Journal of Pain, March 2023, Elsevier

    Sean Mackey, Dr. Mohammad Ehsanul Karim

  33. Comparative effectiveness of natalizumab on cognition in multiple sclerosis: A cohort study

    Article • Multiple Sclerosis Journal, February 2023, SAGE Publications

    Dr. Mohammad Ehsanul Karim

  34. The Effects of HIV Self-Test Knowledge on Recent HIV Testing Uptake in the Male Population in Gambia: Data analysis from 2019-2020 Demographic and Health Survey

    Article • February 2023, Research Square

    Dr. Mohammad Ehsanul Karim

  35. Determining the Optimal SARS-CoV-2 mRNA Vaccine Dosing Interval for Maximum Immunogenicity

    Article • Cureus, January 2023, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  36. Role of latent tuberculosis infection on elevated risk of cardiovascular disease: a population-based cohort study of immigrants in British Columbia, Canada, 1985–2019

    Article • Epidemiology and Infection, January 2023, Cambridge University Press

    Dr. Mohammad Ehsanul Karim

  37. Does Vaccination Protect against Human Papillomavirus-Related Cancers? Preliminary Findings from the United States National Health and Nutrition Examination Survey (2011–2018)

    Article • Vaccines, December 2022, MDPI AG

    Dr. Mohammad Ehsanul Karim

  38. Multimorbidity prevalence and chronic disease patterns among tuberculosis survivors in a high-income setting

    Article • Can J Public Health, December 2022, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  39. Impact of Hepatitis B Virus Infection, Non-alcoholic Fatty Liver Disease, and Hepatitis C Virus Co-infection on Liver-Related Death among People Tested for Hepatitis B Virus in British Columbia: Results from a Large Longitudinal Population-Based Cohort...

    Article • Viruses, November 2022, MDPI AG

    Dr. Mohammad Ehsanul Karim

  40. Sex and age differences in the Multiple Sclerosis prodrome

    Article • Frontiers in Neurology, November 2022, Frontiers

    Dr. Mohammad Ehsanul Karim

  41. Traditional birth attendant-assisted versus unassisted births: a comparison of neonatal deaths in Nigeria, 2008–2018

    Article • Annals of Epidemiology, November 2022, Elsevier

    Dr. Mohammad Ehsanul Karim

  42. Correlation of SARS-CoV-2 Viral Neutralizing Antibody Titers with Anti-Spike Antibodies and ACE-2 Inhibition among Vaccinated Individuals

    Article • Microbiology Spectrum, October 2022, ASM Journals

    Dr. Mohammad Ehsanul Karim

  43. The Relationship Between Anti-Spike SARS-CoV-2 Antibody Levels and Risk of Breakthrough COVID-19 Among Fully Vaccinated Adults

    Article • The Journal of Infectious Diseases, October 2022, Oxford University Press (OUP)

    Dr. Mohammad Ehsanul Karim

  44. Understanding the association between informed choice and long‐term reversible contraception among Ugandan women: Findings from the 2016 Demographic Health Survey

    Article • International Journal of Gynecology & Obstetrics, September 2022, Wiley

    Dr. Mohammad Ehsanul Karim

  45. Are higher antibody levels against seasonal human coronaviruses associated with a more robust humoral immune response after SARS-CoV-2 vaccination?

    Article • Frontiers in Immunology, September 2022, Frontiers

    Dr. Mohammad Ehsanul Karim

  46. Community Belonging and Flourishing in Youth: The role of Positive Coping and Racial and Ethnic Identity

    Article • August 2022, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  47. Key considerations for choosing a statistical method to deal with incomplete treatment adherence in pragmatic trials

    Article • Pharmaceutical Statistics, August 2022, Wiley

    Dr. Mohammad Ehsanul Karim

  48. The association between rheumatoid arthritis and cardiovascular disease among adults in the United States during 1999–2018, and age-related effect modification in relative and absolute scales

    Article • Annals of Epidemiology, July 2022, Elsevier

    Dr. Mohammad Ehsanul Karim

  49. A Prospective Observational Cohort Comparison of SARS-CoV-2 Seroprevalence Between Paramedics and Matched Blood Donors in Canada During the COVID-19 Pandemic

    Article • Annals of Emergency Medicine, July 2022, Elsevier

    Dr. Mohammad Ehsanul Karim

  50. Considerations for choosing an imputation method for addressing sparse measurement issues dictated by the study design - An illustration from per-protocol analysis in pragmatic trials

    Article • Research Methods in Medicine & Health Sciences, May 2022, SAGE Publications

    Dr. Mohammad Ehsanul Karim

  51. Recommendations for the use of propensity score methods in multiple sclerosis research

    Article • Multiple Sclerosis Journal, April 2022, SAGE Publications

    Dr. Mohammad Ehsanul Karim, Dr. Thomas Debray

  52. An E-value analysis of potential unmeasured or residual confounding in systematic reviews of post-tuberculosis mortality, respiratory disease, and cardiovascular disease

    Article • Annals of Epidemiology, April 2022, Elsevier

    Dr. Mohammad Ehsanul Karim

  53. The association between diabetes and excessive daytime sleepiness among American adults aged 20–79 years: findings from the 2015–2018 National Health and Nutrition Examination Surveys

    Article • Annals of Epidemiology, April 2022, Elsevier

    Dr. Mohammad Ehsanul Karim

  54. Accurate classification of carotid endarterectomy indication using physician claims and hospital discharge data

    Article • BMC Health Services Research, March 2022, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  55. Understanding the association between informed choice and long-term reversible contraception among women aged 15-49 in Uganda: findings from the 2016 Demographic Health Survey

    Article • March 2022, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  56. Determining the optimal SARS-CoV-2 mRNA vaccine dosing interval for maximum immunogenicity

    Article • March 2022, Cold Spring Harbor Laboratory Press

    Dr. Mohammad Ehsanul Karim

  57. Evaluation of the Performance of a Multiplexed Serological Assay in the Detection of SARS-CoV-2 Infections in a Predominantly Vaccinated Population

    Article • Microbiology Spectrum, February 2022, ASM Journals

    Dr. Mohammad Ehsanul Karim

  58. Analysis approaches to address treatment nonadherence in pragmatic trials with point-treatment settings: a simulation study

    Article • BMC Medical Research Methodology, February 2022, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  59. Patterns and determinants of adherence to colorectal cancer primary and secondary prevention recommendations in the BC Generations Project

    Article • Health Promotion and Chronic Disease Prevention in Canada, February 2022, Health Promotion and Chronic Disease Prevention Branch (HPCDP) Public Health Agency of Canada

    Dr. Mohammad Ehsanul Karim

  60. Association Between Prescription Opioid Therapy for Noncancer Pain and Hepatitis C Virus Seroconversion

    Article • JAMA Network Open, January 2022, American Medical Association (AMA)

    Dr. Mohammad Ehsanul Karim

  61. Use of community healthcare and overdose in the 30 days following release from provincial correctional facilities in British Columbia

    Article • Drug and Alcohol Dependence, December 2021, Elsevier

    Dr. Mohammad Ehsanul Karim

  62. A Higher Antibody Response Is Generated With a 6- to 7-Week (vs Standard) Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Vaccine Dosing Interval

    Article • Clinical Infectious Diseases, November 2021, Oxford University Press (OUP)

    Dr. Mohammad Ehsanul Karim

  63. Prescription opioid treatment for non-cancer pain and initiation of injection drug use: large retrospective cohort study

    Article • BMJ, November 2021, BMJ

    Dr. Mohammad Ehsanul Karim

  64. Tuberculosis-associated depression: a population-based cohort study of people immigrating to British Columbia, Canada, 1985–2015

    Article • Annals of Epidemiology, November 2021, Elsevier

    Dr. Mohammad Ehsanul Karim

  65. Sodium intake and high blood pressure among adults on caloric deficit: a multi-year cross-sectional analysis of the U.S. population, 2007–2018

    Article • Journal of Human Hypertension, September 2021, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  66. Understanding subjective quality of life in homeless and vulnerably housed individuals: The role of housing, health, substance use, and social support

    Article • SSM - Mental Health, September 2021, Elsevier

    Verena Rossa-Roccor, Dr. Mohammad Ehsanul Karim

  67. CRTpowerdist: An R package to calculate attained power and construct the power distribution for cross-sectional stepped-wedge and parallel cluster randomized trials

    Article • Computer Methods and Programs in Biomedicine, September 2021, Elsevier

    Dr. Mohammad Ehsanul Karim

  68. Influence of chronic hepatitis C infection on the monocyte-to-platelet ratio: data analysis from the National Health and Nutrition Examination Survey (2009–2016)

    Article • BMC Public Health, July 2021, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  69. Is Regular Access to Internet Services Associated with Comprehensive Correct HIV/AIDS Knowledge among People Aged 15–49 Years in Nigeria? Findings from the 2018 Demographic Health Survey

    Article • Journal of Consumer Health on the Internet, July 2021, Taylor & Francis

    Ejemai Eboreime, Dr. Mohammad Ehsanul Karim

  70. Testing the Feasibility of Sensor-Based Home Health Monitoring (TEC4Home) to Support the Convalescence of Patients With Heart Failure: Pre–Post Study

    Article • JMIR Formative Research, June 2021, JMIR Publications Inc.

    Dr. Mohammad Ehsanul Karim

  71. Impact of HCV infection and ethnicity on incident type 2 diabetes: findings from a large population-based cohort in British Columbia

    Article • BMJ Open Diabetes Research & Care, June 2021, BMJ

    Dr. Mohammad Ehsanul Karim

  72. Incorporating partial adherence into the principal stratification analysis framework

    Article • Statistics in Medicine, April 2021, Wiley

    Dr. Mohammad Ehsanul Karim

  73. Annual Meeting of the Canadian Association for the Study of the Liver (CASL), the Canadian Network on Hepatitis C (CANHEPC) and the Canadian Association of Hepatology Nurses (CAHN) 2021 Abstracts.

    Article • Canadian Liver Journal, April 2021, University of Toronto Press (UTPress)

    Dr. Mohammad Ehsanul Karim

  74. Comparing the use of aggregate data and various methods of integrating individual patient data to network meta-analysis and its application to first-line ART

    Article • BMC Medical Research Methodology, March 2021, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  75. Post-tuberculosis airway disease: A population-based cohort study of people immigrating to British Columbia, Canada, 1985–2015

    Article • EClinicalMedicine, March 2021, Elsevier

    Dr. Mohammad Ehsanul Karim

  76. When does the use of individual patient data in network meta-analysis make a difference? A simulation study

    Article • BMC Medical Research Methodology, January 2021, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  77. Sodium intake and high blood pressure among adults on caloric restriction: a multi-year cross-sectional analysis of the U.S. Population, 2007-2018

    Article • January 2021, Cold Spring Harbor Laboratory Press

    Dr. Mohammad Ehsanul Karim

  78. A Propensity Score Analysis of the Effect of a Single Dose Vitamin A Supplementation on Child Hemoglobin Status in Bangladesh

    Article • Child Care in Practice, December 2020, Taylor & Francis

    Dr. Mohammad Ehsanul Karim

  79. Association between human papillomavirus vaccine status and sexually transmitted infection outcomes among females aged 18-35 with a history of sexual activity in the United States: A population survey-based cross-sectional analysis

    Article • Vaccine, December 2020, Elsevier

    Dr. Mohammad Ehsanul Karim

  80. The use and quality of reporting of propensity score methods in multiple sclerosis literature: A review

    Article • Multiple Sclerosis Journal, November 2020, SAGE Publications

    Dr. Mohammad Ehsanul Karim

  81. Comparative efficacy, tolerability and safety of dolutegravir and efavirenz 400mg among antiretroviral therapies for first-line HIV treatment: A systematic literature review and network meta-analysis

    Article • EClinicalMedicine, November 2020, Elsevier

    Dr. Mohammad Ehsanul Karim

  82. Dealing With Treatment-Confounder Feedback and Sparse Follow-up in Longitudinal Studies: Application of a Marginal Structural Model in a Multiple Sclerosis Cohort

    Article • American Journal of Epidemiology, October 2020, Oxford University Press (OUP)

    Dr. Mohammad Ehsanul Karim

  83. Are US adults with low-exposure to methylmercury at increased risk for depression? A study based on 2011–2016 National Health and Nutrition Examination Surveys (NHANES)

    Article • International Archives of Occupational and Environmental Health, October 2020, Springer Science + Business Media

    Verena Rossa-Roccor, Dr. Mohammad Ehsanul Karim

  84. The relationship between mood disorder diagnosis and experiencing an unmet health-care need in Canada: findings from the 2014 Canadian Community Health Survey

    Article • Journal of Mental Health, September 2020, Taylor & Francis

    Dr. Mohammad Ehsanul Karim

  85. Comparative effectiveness of buprenorphine-naloxone versus methadone for treatment of opioid use disorder: a population-based observational study protocol in British Columbia, Canada

    Article • BMJ Open, September 2020, BMJ

    Dr. Mohammad Ehsanul Karim

  86. Application of decision tree-based techniques to veneer processing

    Article • Journal of Wood Science, August 2020, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  87. Correction: A pragmatic randomized controlled trial testing the effects of the international scientific SCI exercise guidelines on SCI chronic pain: protocol for the EPIC-SCI trial

    Article • Spinal Cord, July 2020, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  88. Post-tuberculosis mortality risk among immigrants to British Columbia, Canada, 1985–2015: a time-dependent Cox regression analysis of linked immigration, public health, and vital statistics data

    Article • Can J Public Health, July 2020, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  89. Reply

    Article • Arthritis & Rheumatology, July 2020, Wiley

    Dr. Mohammad Ehsanul Karim

  90. Explaining the variation in the attained power of a stepped-wedge trial with unequal cluster sizes

    Article • BMC Medical Research Methodology, June 2020, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  91. A pragmatic randomized controlled trial testing the effects of the international scientific SCI exercise guidelines on SCI chronic pain: protocol for the EPIC-SCI trial

    Article • Spinal Cord, May 2020, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  92. Explaining the variation in the attained power of a stepped-wedge trial with unequal cluster sizes

    Article • May 2020, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  93. The Association of Residential Instability and Hospitalizations among Homeless and Vulnerably Housed Individuals: Results from a Prospective Cohort Study

    Article • Journal of Urban Health, February 2020, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  94. Are perceived barriers to accessing health care associated with inadequate antenatal care visits among women of reproductive age in Rwanda?

    Article • BMC Pregnancy and Childbirth, February 2020, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  95. Longitudinal Associations between Perceived Quality of Living Spaces and Health-Related Quality of Life among Homeless and Vulnerably Housed Individuals Living in Three Canadian Cities

    Article • International Journal of Environmental Research and Public Health, November 2019, MDPI AG

    Dr. Mohammad Ehsanul Karim

  96. Role of Nonsteroidal Antiinflammatory Drugs in the Association Between Osteoarthritis and Cardiovascular Diseases: A Longitudinal Study

    Article • Arthritis & Rheumatology, September 2019, Wiley

    Dr. Mohammad Ehsanul Karim

  97. The randomization-induced risk of a trial failing to attain its target power: assessment and mitigation

    Article • Trials, June 2019, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  98. Nurses “Seeing Forest for the Trees” in the Age of Machine Learning

    Article • CIN Computers Informatics Nursing, April 2019, Wolters Kluwer Health

    Dr. Mohammad Ehsanul Karim

  99. Nephrology consultation and mortality in people with stage 4 chronic kidney disease: a population-based study

    Article • Canadian Medical Association Journal, March 2019, Canadian Medical Association (CMA)

    Dr. Mohammad Ehsanul Karim

  100. When exposure is subject to nondifferential misclassification, are validation data helpful in testing for an exposure–disease association?

    Article • Canadian Journal of Statistics, March 2019, Wiley

    Dr. Mohammad Ehsanul Karim

  101. Multimorbidity prevalence in Canada: a comparison of Northern Territories with Provinces, 2013/14

    Article • International Journal of Circumpolar Health, January 2019, Taylor & Francis

    Dr. Mohammad Ehsanul Karim, Andrew Basham

  102. Effectiveness of contrast-associated acute kidney injury prevention methods; a systematic review and network meta-analysis

    Article • BMC Nephrology, November 2018, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  103. Authors' reply: Letter to the Editor: Comparison of statistical approaches dealing with time-dependent confounding in drug effectiveness studies (SMMR, Vol 27, Issue 6, 2018)

    Article • Statistical Methods in Medical Research, November 2018, SAGE Publications

    Dr. Mohammad Ehsanul Karim

  104. The Effect of Serious Offending on Health: A Marginal Structural Model

    Article • Society and Mental Health, October 2018, SAGE Publications

    Dr. Mohammad Ehsanul Karim

  105. Estimating the effect of referral for nephrology care on the survival of adults with advanced chronic kidney disease in a real-world clinical setting

    Article • International Journal for Population Data Science, August 2018, Swansea University

    Dr. Mohammad Ehsanul Karim

  106. Can We Train Machine Learning Methods to Outperform the High-dimensional Propensity Score Algorithm?

    Article • Epidemiology, November 2017, Wolters Kluwer Health

    Dr. Mohammad Ehsanul Karim

  107. Determinants of Antibiotic Tailoring in Pediatric Intensive Care

    Article • Pediatric Critical Care Medicine, September 2017, Wolters Kluwer Health

    Dr Jesse Papenburg, Dr. Mohammad Ehsanul Karim

  108. On the application of statistical learning approaches to construct inverse probability weights in marginal structural Cox models: Hedging against weight-model misspecification

    Article • Communications in Statistics - Simulation and Computation, May 2017, Taylor & Francis

    Dr. Mohammad Ehsanul Karim

  109. Estimating inverse probability weights using super learner when weight-model specification is unknown in a marginal structural Cox model context

    Article • Statistics in Medicine, February 2017, Wiley

    Dr. Mohammad Ehsanul Karim

  110. THE AUTHORS REPLY

    Article • American Journal of Epidemiology, November 2016, Oxford University Press (OUP)

    Dr. Mohammad Ehsanul Karim

  111. Statistical approaches dealing with time-dependent confounding

    Article • Statistical Methods in Medical Research, September 2016, SAGE Publications

    Dr. Mohammad Ehsanul Karim

  112. Comparison of Statistical Approaches for Dealing With Immortal Time Bias in Drug Effectiveness Studies

    Article • American Journal of Epidemiology, July 2016, Oxford University Press (OUP)

    Dr. Mohammad Ehsanul Karim

  113. Hypothesis Testing for an Exposure–Disease Association in Case–Control Studies Under Nondifferential Exposure Misclassification in the Presence of Validation Data: Bayesian and Frequentist Adjustments

    Article • Statistics in Biosciences, January 2016, Springer Science + Business Media

    Dr. Mohammad Ehsanul Karim

  114. Beta-interferon exposure and onset of secondary progressive multiple sclerosis

    Article • European Journal of Neurology, April 2015, Wiley

    Dr. Mohammad Ehsanul Karim

  115. Antibody dissociation rates are predictive of neutralizing antibody (NAb) course: A comparison of interferon beta-1b-treated Multiple Sclerosis (MS) patients with transient versus sustained NAbs

    Article • Clinical Immunology, March 2015, Elsevier

    Dr. Mohammad Ehsanul Karim

  116. Directed Acyclic Graphs to Identify Confounders

    Article • January 2015, Elsevier

    Dr. Mohammad Ehsanul Karim

  117. Multiple Sclerosis in Older Adults: The Clinical Profile and Impact of Interferon Beta Treatment

    Article • BioMed Research International, January 2015, Hindawi Publishing Corporation

    Dr. Mohammad Ehsanul Karim

  118. Marginal Structural Cox Models for Estimating the Association Between  -Interferon Exposure and Disease Progression in a Multiple Sclerosis Cohort

    Article • American Journal of Epidemiology, June 2014, Oxford University Press (OUP)

    Dr. Mohammad Ehsanul Karim

  119. Investigation of heterogeneity in the association between interferon beta and disability progression in multiple sclerosis: an observational study

    Article • European Journal of Neurology, December 2013, Wiley

    Dr. Mohammad Ehsanul Karim

  120. Can joint replacement reduce cardiovascular risk?

    Article • BMJ, November 2013, BMJ

    Dr. Mohammad Ehsanul Karim

  121. Interferon Beta and Long-term Disability in Multiple Sclerosis

    Article • JAMA Neurology, May 2013, American Medical Association (AMA)

    Dr. Mohammad Ehsanul Karim

  122. Association Between Use of Interferon Beta and Progression of Disability in Patients With Relapsing-Remitting Multiple Sclerosis

    Article • JAMA, July 2012, American Medical Association (AMA)

    Dr. Mohammad Ehsanul Karim