ACR Meeting Abstracts

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Abstracts tagged "Biostatistics"

  • Abstract Number: 1268 • ACR Convergence 2021

    Predicting Adverse Pregnancy Outcomes in Women with Systemic Lupus Erythematosus: A Comparison of Machine Learning Methods

    Melissa Fazzari1, Marta Guerra2, Jane Salmon2 and Mimi Kim3, 1Albert Einstein College of Medicine, Bronx, NY, 2Hospital for Special Surgery, New York, NY, 3Albert Einstein College of Medicine, Larchmont, NY

    Background/Purpose: Nearly 20% of pregnancies in patients with Systemic lupus erythematosus (SLE) result in an adverse pregnancy outcome (APO); early identification of women with SLE…
  • Abstract Number: 1848 • ACR Convergence 2021

    Untangling the Gut: A Phenome-Wide Association Study of Drugs and Diseases with Gastrointestinal Dysfunction in Systemic Sclerosis

    Rory Maclean1, Fiza Ahmed2, Voon Ong3, Charles Murray4 and Christopher Denton5, 1Royal Free Hospital & University College London, London, United Kingdom, 2Royal Free Hospital, Ilford, United Kingdom, 3University College London Medical School Royal Free Campus, London, United Kingdom, 4Royal Free Hospital, London, United Kingdom, 5University College London Division of Medicine, Centre for Rheumatology and Connective Tissue Diseases, London, United Kingdom

    Background/Purpose: Gastrointestinal dysfunction (SSc-GI) is a significant burden to patients with systemic sclerosis (SSc), particularly in those with longstanding disease. The management of SSc-GI is…
  • Abstract Number: 0324 • ACR Convergence 2021

    Machine Learning: Identifying Lupus Nephritis Within Systemic Lupus Erythematosus in the Real World

    Bruno Teixeira, David Bell, Tim Holbrook and Ben Hoskin, Adelphi Real World, Bollington, United Kingdom

    Background/Purpose: Around 40-70% of patients with systemic lupus erythematosus (SLE) develop lupus nephritis (LN). LN is often underdiagnosed and early diagnosis is crucial for reducing…
  • Abstract Number: 0401 • ACR Convergence 2021

    Item Reduction for the Assessment of Systemic Sclerosis-associated RAynaud’s Phenomenon (ASRAP) Questionnaire Using Data from the International Multicentre ASRAP Validation Study

    John Pauling1, Lan Yu2, Christopher Denton3, Tracy Frech4, Ariane Herrick5, Laura Hummers6, Lesley Ann Saketkoo7, Ami Shah8, Dinesh Khanna9 and Robyn Domsic2, 1Royal National Hospital for Rheumatic Diseases, Bath, United Kingdom, 2University of Pittsburgh, Pittsburgh, PA, 3University College London Division of Medicine, Centre for Rheumatology and Connective Tissue Diseases, London, United Kingdom, 4University of Utah, Salt Lake City, UT, 5University of Manchester, Salford, United Kingdom, 6Johns Hopkins Univerisity, Baltimore, MD, 7University Medical Center - Comprehensive Pulmonary Hypertension Center, New Orleans, LA, 8Johns Hopkins Rheumatology, Baltimore, MD, 9University of Michigan, Ann Arbor, MI

    Background/Purpose: The Assessment of Systemic sclerosis-associated RAynaud’s Phenomenon (ASRAP) questionnaire is a novel patient-reported outcome (PRO) instrument devised to assess the severity and impact of…
  • Abstract Number: 0499 • ACR Convergence 2021

    Preliminary Assessment of Internal Reliability and Construct Validity of Long and Short-form Assessment of Systemic Sclerosis-associated RAynaud’s Phenomenon (ASRAP) Questionnaires

    John Pauling1, Lan Yu2, Christopher Denton3, Tracy Frech4, Ariane Herrick5, Laura Hummers6, Lesley Ann Saketkoo7, Ami Shah8, Dinesh Khanna9 and Robyn Domsic2, 1Royal National Hospital for Rheumatic Diseases, Bath, United Kingdom, 2University of Pittsburgh, Pittsburgh, PA, 3University College London Division of Medicine, Centre for Rheumatology and Connective Tissue Diseases, London, United Kingdom, 4University of Utah, Salt Lake City, UT, 5University of Manchester, Salford, United Kingdom, 6Johns Hopkins Univerisity, Baltimore, MD, 7University Medical Center - Comprehensive Pulmonary Hypertension Center, New Orleans, LA, 8Johns Hopkins Rheumatology, Baltimore, MD, 9University of Michigan, Ann Arbor, MI

    Background/Purpose: The Assessment of Systemic sclerosis-associated RAynaud’s Phenomenon (ASRAP) questionnaire is a novel patient-reported outcome instrument devised to assess the severity and impact of SSc-RP.…
  • Abstract Number: 0779 • ACR Convergence 2020

    Antibody Responses to Epstein-Barr Virus Are Altered in the Pre-Clinical Period of Rheumatoid Arthritis

    Sabrina Fechtner1, Heather Berens2, Elizabeth Bemis3, M Kristen Demoruelle2, Carla J. Guthridge4, John Harley5, Judith James6, Jess Edison7, Kevin D. Deane8, Jill Norris9 and V. Michael Holers2, 1University of Colorado, Aurora, CO, 2University of Colorado, Denver, CO, 3Colorado School of Public Health Anschutz Medical Campus, Aurora, CO, 4Oklahoma Medical Research Foundation, Oklahoma City, OK, 5Cincinnati Children's Hospital Medical Center/Univ of Cincinnati College of Medicine, Cincinnati, OH, 6Arthritis and Clinical Immunology Research Program, Oklahoma Medical Research Foundation;Department of Pathology, University of Oklahoma Health Sciences Center;Department of Medicine, University of Oklahoma Health Sciences Center, Edmond, OK, 7Walter Reed National Military Medical Center, Bethesda, 82 Division of Rheumatology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA, Colorado, 9Colorado School of Public Health, Aurora, CO

    Background/Purpose: Viral infections, including infection with Epstein-Barr virus (EBV), have been suggested as environmental risk factors for rheumatoid arthritis (RA). EBV infections are known to…
  • Abstract Number: 0795 • ACR Convergence 2020

    Minimum Clinically Important Improvement in Patients with Rheumatoid Arthritis Associates with Gut Microbiome

    Vinod Gupta1, Kevin Cunningham2, Benjamin Hur1, John Davis1 and Jaeyun Sung1, 1Mayo Clinic, Rochester, MN, 2University of Minnesota, Minneapolis, MN

    Background/Purpose: Within the past decade, there have been several major discoveries in cross-sectional gut microbiome studies suggesting that dysbiosis of the gut microbiota is a…
  • Abstract Number: 0806 • ACR Convergence 2020

    Identification and Adjustment for Factors Associated with Clinical Response in Rheumatoid Arthritis Clinical Trials to Improve Comparisons of Treatment Efficacy

    Anthony Cordisco1 and Joshua Baker1, 1Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA

    Background/Purpose: Numerous clinical trials have been published in rheumatoid arthritis (RA), but comparing efficacies of disease-modifying anti-rheumatic drugs (DMARDs) is complicated by a lack of…
  • Abstract Number: 1300 • ACR Convergence 2020

    Identifying Cognitive Impairment in Patients with Systemic Lupus Erythematosus Using Hidden Markov Models: A Bayesian Approach

    Juan Pablo Diaz-Martinez1, Kathleen Bingham2, Robin Green3, Dorcas Beaton4, Mahta Kakvan1, Lesley Ruttan3, Carmela Tartaglia5, Marvin Fritzler6, May Choi7, Jiandong Su1, Dennisse Bonilla1, Nicole Anderson1, Joan Wither1, Patricia Katz8 and Zahi Touma9, 1University of Toronto Lupus Clinic, Centre for Prognosis Studies in Rheumatic Diseases, Toronto Western Hospital, University Health Network, Toronto, ON, Canada, 2Department of Psychiatry, University of Toronto, Toronto, ON, Canada, 3Toronto Rehabilitation Institute, University Health Network, Toronto, ON, Canada, 4Institute for Work & Health, Toronto, Canada, 5University of Toronto, Krembil Neurosciences Centre, Toronto, ON, Canada, 6Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada, 7Brigham and Women's Hospital | Cumming School of Medicine, University of Calgary, Calgary, AB, Canada, 8University of California, San Francisco, Novato, CA, 9University of Toronto Lupus Clinic, Centre for Prognosis Studies in Rheumatic Diseases, Toronto Western Hospital, University Health Network; Krembil Research Institute, Toronto, ON, Canada

    Background/Purpose: Cognitive impairment (CI) is usually operationalized on the American College of Rheumatology Neuropsychological Battery (ACR-NB) as a z-score of ≤-1.5 on ≥2 domains or…
  • Abstract Number: 1709 • ACR Convergence 2020

    Teaching Clinical Application of Bayesian Reasoning in Rheumatology to Internal Medicine Residents and Medical Students

    Joshua Gavin1, Kristen Fadel1, Yashswee KC2, Evan Dombrosky3, Sandra Johnson4, Huzaefah Syed5, Beth Rubinstein6, Stamatina Danielides6 and Abhishek Nandan7, 1Virginia Commonwealth University School of Medicine, Richmond, 2Virginia Commonwealth University School of Medicine, Henrico, VA, 3Virginia Commonwealth University School of Medicine, Glen Allen, VA, 4Virginia Commonwealth University Health Systems, Richmond, 5VCU Health, Richmond, VA, 6Virginia Commonwealth University School of Medicine, Richmond, VA, 7VCUHS and VA Medical Center- Richmond, VA, Richmond, VA

    Background/Purpose: Evidence-based medicine (EBM) is becoming an increasingly important skill in the clinical application of diagnostic reasoning. Didactic lectures focusing on EBM concepts are a…
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All abstracts accepted to ACR Convergence are under media embargo once the ACR has notified presenters of their abstract’s acceptance. They may be presented at other meetings or published as manuscripts after this time but should not be discussed in non-scholarly venues or outlets. The following embargo policies are strictly enforced by the ACR.

Accepted abstracts are made available to the public online in advance of the meeting and are published in a special online supplement of our scientific journal, Arthritis & Rheumatology. Information contained in those abstracts may not be released until the abstracts appear online. In an exception to the media embargo, academic institutions, private organizations, and companies with products whose value may be influenced by information contained in an abstract may issue a press release to coincide with the availability of an ACR abstract on the ACR website. However, the ACR continues to require that information that goes beyond that contained in the abstract (e.g., discussion of the abstract done as part of editorial news coverage) is under media embargo until 10:00 AM ET on November 14, 2024. Journalists with access to embargoed information cannot release articles or editorial news coverage before this time. Editorial news coverage is considered original articles/videos developed by employed journalists to report facts, commentary, and subject matter expert quotes in a narrative form using a variety of sources (e.g., research, announcements, press releases, events, etc.).

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