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Author Details

Mark Helfand
Oregon Health & Science University
1983
151
60
PMIDPaper TitleJournal TitlePublished Year
36503004Improving grading of recommendations assessment, development, and evaluation evidence tables part 4: a three-arm noninferiority randomized trial demonstrates improved understanding of content in summary of findings tables with a new format.J Clin Epidemiol2023
36442059Major Update 2: Antibody Response and Risk for Reinfection After SARS-CoV-2 Infection-Final Update of a Living, Rapid Review.Ann Intern Med2023
35073157Risk for Reinfection After SARS-CoV-2: A Living, Rapid Review for American College of Physicians Practice Points on the Role of the Antibody Response in Conferring Immunity Following SARS-CoV-2 Infection.Ann Intern Med2022
35349029Health Experiences Research as a Resource and Mechanism for Veteran Engagement in VA Healthcare Research and Care Delivery.J Gen Intern Med2022
36326761Complexity and Challenges of the Clinical Diagnosis and Management of Long COVID.JAMA Netw Open2022
34000076Fludrocortisone for orthostatic hypotension.Cochrane Database Syst Rev2021
33753229Improving the utility of evidence synthesis for decision makers in the face of insufficient evidence.J Clin Epidemiol2021
33721517Antibody Response After SARS-CoV-2 Infection and Implications for Immunity : A Rapid Living Review.Ann Intern Med2021
34847946Peer review reduces spin in PCORI research reports.Res Integr Peer Rev2021
32058069GRADE guidelines: 21 part 2. Test accuracy: inconsistency, imprecision, publication bias, and other domains for rating the certainty of evidence and presenting it in evidence profiles and summary of findings tables.J Clin Epidemiol2020
32087860REPRINT OF: Current Methods of the U.S. Preventive Services Task Force: A Review of the Process.Am J Prev Med2020
32060007GRADE guidelines: 21 part 1. Study design, risk of bias, and indirectness in rating the certainty across a body of evidence for test accuracy.J Clin Epidemiol2020
29172725Objective cognitive impairment and subjective cognitive problems in veterans initiating psychotherapy for posttraumatic stress disorder: An exploratory study.Appl Neuropsychol Adult2019
31517788New (and Not so New) Directions in Evidence Synthesis Methods and Application in a Learning Health Care System.Med Care2019
30738926GRADE guidelines: 22. The GRADE approach for tests and strategies-from test accuracy to patient-important outcomes and recommendations.J Clin Epidemiol2019
28845692Advancing Guideline Development in the United States: A Call to Action by the US GRADE Network.Am J Med Qual2018
30074945Engagement in PCORnet Research Networks.Med Care2018
29362242Two alternatives versus the standard Grading of Recommendations Assessment, Development and Evaluation (GRADE) summary of findings (SoF) tables to improve understanding in the presentation of systematic review results: a three-arm, randomised, controlled, non-inferiority trial.BMJ Open2018
29633140Effectiveness of Models Used to Deliver Multimodal Care for Chronic Musculoskeletal Pain: a Rapid Evidence Review.J Gen Intern Med2018
29687431Regarding "Effectiveness of Intensive Primary Care Interventions: A Systematic Review".J Gen Intern Med2018
29740786Rapid Evidence Review of Mobile Applications for Self-management of Diabetes.J Gen Intern Med2018
28924747Effectiveness of Intensive Primary Care Interventions: A Systematic Review.J Gen Intern Med2017
28456840Rapid evidence review of the comparative effectiveness, harms, and cost-effectiveness of pharmacogenomics-guided antidepressant treatment versus usual care for major depressive disorder.Psychopharmacology (Berl)2017
28529185CARE guidelines for case reports: explanation and elaboration document.J Clin Epidemiol2017
27211498Consequences of Increasing Time to Colonoscopy Examination After Positive Result From Fecal Colorectal Cancer Screening Test.Clin Gastroenterol Hepatol2016
27491354User survey finds rapid evidence reviews increased uptake of evidence by Veterans Health Administration leadership to inform fast-paced health-system decision-making.Syst Rev2016
25676947Patient narratives representing patient voices to inform research: a pilot qualitative study.Stud Health Technol Inform2015
24687070Reporting discrepancies between the ClinicalTrials.gov results database and peer-reviewed publications.Ann Intern Med2014
22609141GRADE guidelines: 12. Preparing summary of findings tables-binary outcomes.J Clin Epidemiol2013
26053539Non-randomized studies as a source of complementary, sequential or replacement evidence for randomized controlled trials in systematic reviews on the effects of interventions.Res Synth Methods2013
23856190US Food and Drug Administration documents can provide unpublished evidence relevant to systematic reviews.J Clin Epidemiol2013
23778906Effectiveness and harms of recombinant human bone morphogenetic protein-2 in spine fusion: a systematic review and meta-analysis.Ann Intern Med2013
22863410GRADE guidelines: 10. Considering resource use and rating the quality of economic evidence.J Clin Epidemiol2013
22990078Note from the editors.Med Decis Making2012
23244820Challenges in the development and reimbursement of personalized medicine-payer and manufacturer perspectives and implications for health economics and outcomes research: a report of the ISPOR personalized medicine special interest group.Value Health2012
22970848Methods for the drug effectiveness review project.BMC Med Res Methodol2012
21241318Grading quality of evidence and strength of recommendations in clinical practice guidelines part 3 of 3. The GRADE approach to developing recommendations.Allergy2011
21803546GRADE guidelines: 7. Rating the quality of evidence--inconsistency.J Clin Epidemiol2011
21802903GRADE guidelines: 8. Rating the quality of evidence--indirectness.J Clin Epidemiol2011
21707950A CTSA agenda to advance methods for comparative effectiveness research.Clin Transl Sci2011
21320942Intensive insulin therapy in hospitalized patients: a systematic review.Ann Intern Med2011
21327529Improving the follow-up of positive hemoccult screening tests: an electronic intervention.J Gen Intern Med2011
21208779GRADE guidelines: 3. Rating the quality of evidence.J Clin Epidemiol2011
19540721AHRQ series paper 3: identifying, selecting, and refining topics for comparative effectiveness systematic reviews: AHRQ and the effective health-care program.J Clin Epidemiol2010
21833926Comparative effectiveness research: Challenges for medical journals.Cochrane Database Syst Rev2010
20973924Training and career development for comparative effectiveness research workforce development: CTSA Consortium Strategic Goal Committee on comparative effectiveness research workgroup on workforce development.Clin Transl Sci2010
20455639Comparative effectiveness research: challenges for medical journals.Am J Manag Care2010
20436963Comparative effectiveness research: challenges for medical journals.PLoS Med2010
20578332Comparative effectiveness research: challenges for medical journals.Croat Med J2010
20426805Comparative effectiveness research: challenges for medical journals.Trials2010
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Collaborators

Oregon Health & Science University
Co-authored papers 12
University of Utah
Co-authored papers 11
Portland VA Healthcare System
Co-authored papers 10
Oregon Health and Science University
Co-authored papers 9
The University of Hong Kong
Co-authored papers 9
Oregon Health & Science University-Portland State University School of Public Health
Co-authored papers 8
Oregon Health Sciences University
Co-authored papers 8
Oregon Health & Science University
Co-authored papers 7
Medical Informatics and Clinical Epidemiology, Oregon Health & Science University
Co-authored papers 7
6 Department of Medical Informatics and Clinical Epidemiology.
Co-authored papers 7
Oregon Health and Science University
Co-authored papers 7
Evidence Foundation
Co-authored papers 5
University of Amsterdam
Co-authored papers 5
Co-authored papers 5
Annals of Internal Medicine and American College of Physicians
Co-authored papers 5
Co-authored papers 4
Portland VA Healthcare System
Co-authored papers 4
Co-authored papers 4
University of Washington
Co-authored papers 4
Oregon Health Sciences University
Co-authored papers 4
Oregon Health & Science University
Co-authored papers 4
Amsterdam University Medical Centers, University of Amsterdam
Co-authored papers 3
Patient-Centered Outcomes Research Institute
Co-authored papers 3
Co-authored papers 3
Oregon Health & Science University
Co-authored papers 2
Co-authored papers 2
Oregon Health & Science University
Co-authored papers 2
Oregon Health & Sciences University
Co-authored papers 2
The University of Chicago
Co-authored papers 2
Tufts Clinical and Translational Science Institute (CTSI), Tufts University
Co-authored papers 2