Abstract Number: 2224 • ACR Convergence 2022
Genes Causative of Primary Immunodeficiency Are Risk Factors for and Over-expressed in Systemic Lupus Erythematosus
Background/Purpose: Systemic lupus erythematosus (SLE) is a polygenic autoimmune disease whose specific causes are incompletely understood and for which there exists no single comprehensive diagnostic…Abstract Number: 0450 • ACR Convergence 2022
Incidence of Solid and Hematologic Tumors in Patients with ANCA: A 10-year Retrospective Cohort Study
Background/Purpose: Serum antineutrophil cytoplasmic antibodies (ANCA) are significantly associated with the development of ANCA-associated vasculitides (AAV) but may also be detected in patients with other…Abstract Number: 0552 • ACR Convergence 2022
Identifying Subgroups of Patients Undergoing Knee Replacement
Background/Purpose: Knee replacement surgery (KR) is prevalent in the US with estimated lifetime risk from age 25 of 7% for males and 9.5% for females,…Abstract Number: 0259 • ACR Convergence 2021
JIA Diagnoses and Trends from 2006-2019: Has the U.S. ICD-9-to-ICD-10 Transition Created Coding Artifacts?
Background/Purpose: JIA is the most common rheumatic disease of childhood, but recent data on diagnostic trends in the US are lacking. Furthermore, the impact of…Abstract Number: 0543 • ACR Convergence 2021
Novel Insights into Systemic Sclerosis Using a Sensitive Computational Method to Analyze Whole-genome Bisulfite Sequencing Data
Background/Purpose: While the etiology of systemic sclerosis (SSc) remains largely unknown, epigenetic dysregulation including abnormal DNA methylation is thought to contribute to its onset and…Abstract Number: 0759 • ACR Convergence 2021
The Patient as Assessor of Disease Status: A Graphical Evaluation of Relations Between Patient-Reported Outcomes in Early Rheumatoid Arthritis
Background/Purpose: Current EULAR-guidelines recommend treating Rheumatoid Arthritis (RA) early, intensively and to-target. Patient-Reported Outcomes (PROs) can be important contributors for remote monitoring of disease status…Abstract Number: 0850 • ACR Convergence 2021
Regression Methods for Modeling Western Ontario and McMaster Universities Arthritis Index (WOMAC) Pain Scores for Early Stage Knee Osteoarthritis
Background/Purpose: The Western Ontario and McMaster Universities Arthritis Index (WOMAC) pain score [range 0-20] is a common outcome measure for clinical trials and observational studies…Abstract Number: 0851 • ACR Convergence 2021
Application of a Modified Recursive Feature Elimination Machine Learning Algorithm to Select Predictors of Mortality in Those with and Without Osteoarthritis
Background/Purpose: Radiographic osteoarthritis (rOA) and joint symptoms at the knee and hip are predictors of mortality. However, questions remain about the nature of the relationship…Abstract Number: 1218 • ACR Convergence 2021
Unsupervised Clustering Identifies Unique Subsets of Patients in a Racially and Ethnically Diverse Rheumatoid Arthritis Cohort
Background/Purpose: Single biomarkers have limited utility to date in guiding clinical care in RA. There is growing interest in applying machine learning algorithms to combine…Abstract Number: 1290 • ACR Convergence 2021
Validation of a Novel Lupus Multivariable Outcome Score as an Outcome Measure for Systemtic Lupus Erythematosus Trials
Background/Purpose: Development of effective new Systemic Lupus Erythematosus (SLE) treatments requires a validated responder index responsive to clinically meaningful change and relevant to clinical practice.…Abstract Number: 1419 • ACR Convergence 2020
Clinical Disease Might Be Divided into Two Phenotypes in ANCA Associated Vasculitis; Results of a Cluster Analysis
Background/Purpose: One of the controversial matters in ANCA associated vasculitis is the definition of disease based on clinical characteristics since there is a remarkable overlap…Abstract Number: 1470 • ACR Convergence 2020
Machine Learning-Based Prediction of Knee Replacement in Persons with and Without Radiographic Osteoarthritis Using Clinical and Imaging Features of Osteoarthritis: The Multicenter Osteoarthritis Study
Background/Purpose: Prior studies of predictors of knee replacement (KR) have often included only a limited set of risk factors, been conducted primarily in knees with…Abstract Number: 1487 • ACR Convergence 2020
Biclustering Reveals Potential Knee Osteoarthritis Phenotypes in Exploratory Analyses: Data from the Osteoarthritis Initiative
Background/Purpose: To utilize novel methodologies to explore subgroups within the OAI clinical data.Methods: From the OAI baseline dataset (n=4796 individuals with or at risk of…Abstract Number: 1734 • ACR Convergence 2020
The Challenge of Assessing Wellbeing from the Patients` Perspective in Early Rheumatoid Arthritis
Background/Purpose: Although more effective therapeutics and treatment strategies for Rheumatoid Arthritis (RA) have improved many patient-reported outcomes (PROs), still a sizeable number of patients in…Abstract Number: 1745 • ACR Convergence 2020
A Novel Method for Predicting 1-Year Retention of Abatacept Using Machine Learning Techniques
Background/Purpose: In the ACTION (NCT02109666) study, using multivariable Cox proportional hazards regression models, patient (pt) global assessment of pain, country, reason for stopping last biologic,…