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Ruth Ann Marrie

Ruth Ann Marrie

D-Index & Metrics

Medicine

D-Index
97
Citations
41509
World Ranking
9158
National Ranking
362

Overview

Ruth Ann Marrie is affiliated with the University of Manitoba in Canada and has contributed extensively to medical research, particularly in the domain of multiple sclerosis and related neurological conditions. Their scholarly output spans several decades, with a focus on epidemiology, pathology, neurology, psychiatry, and genetics within the broader field of medicine.

The scientist's research primarily addresses multiple sclerosis, as evidenced by numerous publications and topical studies. Key topics of their work include:

  • Multiple Sclerosis Research Studies
  • Fibromyalgia and Chronic Fatigue Syndrome Research
  • Peripheral Neuropathies and Disorders
  • Systemic Sclerosis and Related Diseases
  • Inflammatory Bowel Disease
  • Health Systems, Economic Evaluations, Quality of Life
  • Microscopic Colitis

Main fields of study reflect a strong emphasis on Medicine with specialized subfields such as:

  • Pathology and Forensic Medicine
  • Epidemiology
  • Psychiatry and Mental Health
  • Neurology
  • Genetics

Ruth Ann Marrie's frequent co-authors, indicating collaborative networks and cross-disciplinary contributions, include:

  • Çharles N. Bernstein
  • Helen Tremlett
  • John D. Fisk
  • Amber Salter
  • Scott B. Patten

Their research findings have appeared predominantly in journals with a neurological and clinical epidemiology focus. Frequent publication venues include:

  • Multiple Sclerosis Journal
  • Neurology
  • Multiple Sclerosis and Related Disorders
  • Frontiers in Neurology
  • Gastroenterology

Selected recent papers authored by or involving Ruth Ann Marrie are:

  • "Rising prevalence of multiple sclerosis worldwide: Insights from the Atlas of MS, third edition", 2020, Multiple Sclerosis Journal
  • "Multiple sclerosis progression: time for a new mechanism-driven framework", 2022, The Lancet Neurology
  • "Patient Health Questionnaire-9 scores do not accurately estimate depression prevalence: individual participant data meta-analysis", 2020, Journal of Clinical Epidemiology
  • "Population-Based Estimates for the Prevalence of Multiple Sclerosis in the United States by Race, Ethnicity, Age, Sex, and Geographic Region", 2023, JAMA Neurology
  • "The 2013 clinical course descriptors for multiple sclerosis", 2020, Neurology

This body of work highlights a concentration on the epidemiology and clinical characteristics of multiple sclerosis, along with considerations on depression measurement and population health analytics related to neurological diseases.

Best Publications

  • Diagnosis of multiple sclerosis: 2017 revisions of the McDonald criteria

    Alan J. Thompson;Brenda L. Banwell;Frederik Barkhof;Frederik Barkhof;William M. Carroll

  • Rising prevalence of multiple sclerosis worldwide: Insights from the Atlas of MS, third edition.

    Clare Walton;Rachel King;Lindsay Rechtman;Wendy Kaye

  • The prevalence of MS in the United States: A population-based estimate using health claims data.

    Mitchell T. Wallin;William J. Culpepper;Jonathan D. Campbell;Lorene M. Nelson

  • Evaluation of the six-minute walk in multiple sclerosis subjects and healthy controls.

    Myla D. Goldman;Ruth Ann M Marrie;Jeffrey A Cohen

  • Incidence and prevalence of multiple sclerosis in Europe: a systematic review.

    Elaine Kingwell;James J Marriott;Nathalie Jetté;Tamara Pringsheim

  • The incidence and prevalence of psychiatric disorders in multiple sclerosis: A systematic review

    Ruth Ann M Marrie;Stephen Reingold;Jeffrey A Cohen;Olaf Stuve

  • Practice guideline recommendations summary: Disease-modifying therapies for adults with multiple sclerosis: Report of the Guideline Development, Dissemination, and Implementation Subcommittee of the American Academy of Neurology

    Alexander Rae-Grant;Gregory S. Day;Ruth Ann Marrie;Alejandro Rabinstein

  • Vascular comorbidity is associated with more rapid disability progression in multiple sclerosis

    Ruth Ann M Marrie;R. Rudick;R. Horwitz;G. Cutter

  • Accuracy of the PHQ-2 Alone and in Combination With the PHQ-9 for Screening to Detect Major Depression: Systematic Review and Meta-analysis

    Brooke Levis;Brooke Levis;Ying Sun;Chen He;Yin Wu;Yin Wu

  • A comparative study of the gut microbiota in immune-mediated inflammatory diseases—does a common dysbiosis exist?

    Jessica D. Forbes;Chih-yu Chen;Natalie C. Knox;Ruth-Ann Marrie

  • A systematic review of the incidence and prevalence of comorbidity in multiple sclerosis: Overview

    Ruth Ann M Marrie;Jeffrey A Cohen;Olaf Stuve;Maria Trojano

  • Environmental risk factors in multiple sclerosis aetiology.

    Ruth Ann M Marrie

  • Clinical, environmental, and genetic determinants of multiple sclerosis in children with acute demyelination: a prospective national cohort study

    Brenda Banwell;Amit Bar-Or;Douglas L Arnold;Dessa Sadovnick

  • The rising prevalence and changing age distribution of multiple sclerosis in Manitoba

    R. A. Marrie;N. Yu;J. Blanchard;S. Leung

  • Clinical characteristics of African Americans vs Caucasian Americans with multiple sclerosis

    B. A.C. Cree;O. Khan;D. Bourdette;D. S. Goodin

  • Quantile regression and restricted cubic splines are useful for exploring relationships between continuous variables.

    Ruth Ann M Marrie;Neal V Dawson;Allan Garland

  • Comorbidity delays diagnosis and increases disability at diagnosis in MS

    R. A. Marrie;R. Horwitz;G. Cutter;T. Tyry

  • Incidence and Prevalence of Multiple Sclerosis in the Americas: A Systematic Review

    Charity Evans;Sarah Gabrielle Beland;Sophie Kulaga;Christina Wolfson

  • The burden of mental comorbidity in multiple sclerosis: frequent, underdiagnosed, and undertreated

    RA Marrie;R Horwitz;G Cutter;T Tyry

  • Comorbidity, socioeconomic status and multiple sclerosis:

    RA Marrie;R Horwitz;G Cutter;T Tyry

Frequent Co-Authors

Charles N. Bernstein
Charles N. Bernstein University of Manitoba
Scott B. Patten
Scott B. Patten University of Calgary
Gary Cutter
Gary Cutter University of Alabama at Birmingham
Brenda Banwell
Brenda Banwell Children's Hospital of Philadelphia
Jitender Sareen
Jitender Sareen University of Manitoba
Amit Bar-Or
Amit Bar-Or University of Pennsylvania
Renée El-Gabalawy
Renée El-Gabalawy University of Manitoba
Lisa M. Lix
Lisa M. Lix University of Manitoba
Douglas L. Arnold
Douglas L. Arnold Montreal Neurological Institute and Hospital
Timothy Vollmer
Timothy Vollmer University of Florida

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