World's Best Scientists 2026 revealed!
Stephen D. Walter

Stephen D. Walter

Award Badge
Medicine
Canada
2023

D-Index & Metrics

Medicine

D-Index
134
Citations
88854
World Ranking
2111
National Ranking
77

Research.com Recognitions

  • 2023 - Research.com Medicine in Canada Leader Award
  • 2013 - Fellow of the Royal Society of Canada Academy of Science
  • 1993 - Fellow of the American Statistical Association (ASA)

Overview

Stephen D. Walter is affiliated with McMaster University in Canada, contributing extensively to the intersection of medicine and mathematics with a focus on statistics, epidemiology, and oncology. Their research spans several key fields including health systems, economic evaluations, quality of life, and statistical methods in clinical trials.

Their recent published work includes:

  • A systematic survey of randomised trials that stopped early for reasons of futility, 2020, BMC Medical Research Methodology
  • The fragility of trial results involves more than statistical significance alone, 2020, Journal of Clinical Epidemiology
  • Artificial intelligence fracture recognition on computed tomography: review of literature and recommendations, 2022, European Journal of Trauma and Emergency Surgery
  • The epidemic volatility index, a novel early warning tool for identifying new waves in an epidemic, 2021, Scientific Reports
  • Shifting the focus away from binary thinking of statistical significance and towards education for key stakeholders: revisiting the debate on whether it's time to de-emphasize or get rid of statistical significance, 2021, Journal of Clinical Epidemiology

Frequent co-authors collaborating with Stephen D. Walter include:

  • N. Balakrishnan
  • Darren R. Brenner
  • Christine M. Friedenreich
  • Lehana Thabane
  • Yibing Ruan

Prominent publication venues for their work encompass:

  • Journal of Clinical Epidemiology
  • Cancer Causes & Control
  • Statistics in Medicine
  • Statistical Methods in Medical Research
  • BMC Medical Research Methodology

The main fields of study that Stephen D. Walter focuses on include:

  • Medicine
  • Mathematics

Within these fields, their research covers subfields such as:

  • Statistics and Probability
  • Economics and Econometrics
  • Statistics, Probability and Uncertainty
  • Oncology
  • Epidemiology

Themes and topics recurring in their work include:

  • Health Systems, Economic Evaluations, Quality of Life
  • Statistical Methods in Clinical Trials
  • Meta-analysis and systematic reviews
  • Global Cancer Incidence and Screening
  • Statistical Methods and Bayesian Inference
  • Advanced Causal Inference Techniques
  • Statistical Methods and Inference

Stephen D. Walter has been recognized with the following distinctions:

  • Fellow of the Royal Society of Canada, 2013, Academy of Science
  • Fellow of the American Statistical Association (ASA), 1993

Best Publications

  • Development and reliability of a system to classify gross motor function in children with cerebral palsy

    Robert Palisano;Peter Rosenbaum;Stephen Walter;Dianne Russell

  • Sample size and optimal designs for reliability studies

    S. D. Walter;M. Eliasziw;A. Donner

  • The results of direct and indirect treatment comparisons in meta-analysis of randomized controlled trials

    Heiner C. Bucher;Gordon H. Guyatt;Lauren E. Griffith;Stephen D. Walter

  • Phase III Multicenter Randomized Trial of Oxaliplatin Added to Chronomodulated Fluorouracil–Leucovorin as First-Line Treatment of Metastatic Colorectal Cancer

    S. Giacchetti;B. Perpoint;R. Zidani;N. Le Bail

  • Higher vs Lower Positive End-Expiratory Pressure in Patients With Acute Lung Injury and Acute Respiratory Distress Syndrome: Systematic Review and Meta-analysis

    Matthias Briel;Maureen Meade;Alain Mercat;Roy G. Brower

  • USERS' GUIDES TO THE MEDICAL LITERATURE. II: HOW TO USE AN ARTICLE ABOUT THERAPY OR PREVENTION A. ARE THE RESULTS OF THE STUDY VALID ?

    Gordon H. Guyatt;David L. Sackett;Deborah J. Cook;Gordon Guyatt

  • Users' Guides to the Medical Literature: III. How to Use an Article About a Diagnostic Test A. Are the Results of the Study Valid?

    Roman Jaeschke;Gordon Guyatt;David L. Sackett;Eric Bass

  • The Health and Well-Being of Caregivers of Children With Cerebral Palsy

    Parminder Raina;Maureen O'Donnell;Peter Rosenbaum;Jamie Brehaut

  • Incidence of and Risk Factors for Ventilator-Associated Pneumonia in Critically Ill Patients

    Deborah J. Cook;Stephen D. Walter;Richard J. Cook;Lauren E. Griffith

  • Human papillomavirus DNA versus Papanicolaou screening tests for cervical cancer.

    Marie-Hélène Mayrand;Eliane Duarte-Franco;Isabel Rodrigues;Stephen D. Walter

  • Prognosis for Gross Motor Function in cerebral palsy: Creation of Motor development curves

    Peter L. Rosenbaum;Stephen D. Walter;Steven E. Hanna;Robert J. Palisano

  • Users' Guides to the Medical Literature: VI. How to Use an Overview

    Andrew D. Oxman;Deborah J. Cook;Gordon H. Guyatt;Eric Bass

  • Users' Guides to the Medical Literature: II. How to Use an Article About Therapy or Prevention B. What Were the Results and Will They Help Me in Caring for My Patients?

    Gordon H. Guyatt;David L. Sackett;Deborah J. Cook;Gordon Guyatt

  • A comparison of methods to detect publication bias in meta-analysis.

    Petra Macaskill;Stephen D. Walter;Les Irwig

  • Validation of a Model of Gross Motor Function for Children With Cerebral Palsy

    Robert J Palisano;Steven E Hanna;Peter L Rosenbaum;Dianne J Russell

  • High-frequency oscillation in early acute respiratory distress syndrome.

    Niall D. Ferguson;Deborah J. Cook;Gordon H. Guyatt;Sangeeta Mehta

  • Vitamin D deficiency and depression in adults: systematic review and meta-analysis

    Rebecca E. S. Anglin;Zainab Samaan;Stephen D. Walter;Sarah D. McDonald

  • Myocardial Injury after Noncardiac Surgery: A Large, International, Prospective Cohort Study Establishing Diagnostic Criteria, Characteristics, Predictors, and 30-day Outcomes

    Fernando Botto;Pablo Alonso-Coello;Matthew T V Chan;Matthew T V Chan;Juan Carlos Villar

  • Properties of the summary receiver operating characteristic (SROC) curve for diagnostic test data.

    S. D. Walter

  • Is a subgroup effect believable? Updating criteria to evaluate the credibility of subgroup analyses

    Xin Sun;Matthias Briel;Stephen D Walter;Gordon H Guyatt

Frequent Co-Authors

Gordon H. Guyatt
Gordon H. Guyatt McMaster University
Deborah J. Cook
Deborah J. Cook McMaster University
Mark Loeb
Mark Loeb McMaster University
Elie A. Akl
Elie A. Akl American University of Beirut
Peter Rosenbaum
Peter Rosenbaum McMaster University
Mohit Bhandari
Mohit Bhandari McMaster University
Christine M. Friedenreich
Christine M. Friedenreich Alberta Health Services
Matthias Briel
Matthias Briel University Hospital of Basel
Lauren E. Griffith
Lauren E. Griffith McMaster University
Qi Zhou
Qi Zhou Chinese Academy of Sciences

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