Abstract Number: 0566 • ACR Convergence 2020
Healthcare Utilization and Costs Prior to Diagnosis of ANCA Vasculitis in Medicare Beneficiaries
Background/Purpose: Antineutrophil cytoplasmic antibody (ANCA) vasculitis (AV) is a complex group of autoimmune disorders affecting blood vessels in multiple organ systems. Delays in diagnosis are…Abstract Number: 1031 • ACR Convergence 2020
Real World Treatment Patterns Among Patients with Psoriatic Arthritis Treated with Ixekizumab
Background/Purpose: Psoriatic arthritis (PsA) is a systemic condition estimated to affect 0.05%-0.25% of the United States (US)1 population. With approval of ixekizumab (a selectively binding…Abstract Number: 0580 • ACR Convergence 2020
Risk of Severe Acute Localized Reactions for Different Intra-Articular Hyaluronic Acid Knee Injections in a Real World Setting
Background/Purpose: Case reports of severe acute localized reactions (SALR) following intra-articular (IA) hyaluronic acid (HA) injections for knee osteoarthritis (OA) have been described. These have…Abstract Number: 1281 • ACR Convergence 2020
Opioid-Related Encounters as a Predictor of 30-Day Readmissions in Lupus
Background/Purpose: One in four Medicare hospitalizations with systemic lupus erythematosus (SLE) results in readmission within 30 days, with “injuries and poisonings” as the second most…Abstract Number: 0678 • ACR Convergence 2020
Patient Characteristics and Patterns of Urate-lowering Treatments in Older Patients with Incident Gout
Background/Purpose: Gout is a common inflammatory arthritis caused by monosodium urate crystal deposition in the joints. Despite this well-understood pathophysiologic mechanism of disease and ACR and EULAR…Abstract Number: 1423 • ACR Convergence 2020
Declining In-Hospital Mortality in Vasculitis: A 17-year U.S. National Study
Background/Purpose: To our knowledge, only a few population-based studies for vasculitis mortality exist; and most are limited to vasculitis sub-types. Therefore, our study objective was…Abstract Number: 0689 • ACR Convergence 2020
The Changing Epidemiology of Inpatient Gout and Associated Mortality: A 17-year National Study
Background/Purpose: Knowledge gaps exist regarding time-trends for the main causes (Cardiac/renal disease vs. infections) hospitalizations in gout. Therefore, we examined whether specific causes (cardiovascular, renal,…Abstract Number: 1475 • ACR Convergence 2020
Predictors of Thirty-Day Hospital Readmissions in Systemic Lupus Erythematosus in the US: A Nationwide Study
Background/Purpose: For individuals with systemic lupus erythematosus (SLE), hospital readmission rate is associated with quality of care and prognosis. Our objective was to evaluate independent…Abstract Number: 0721 • ACR Convergence 2020
Validation of New Antirheumatic Drug Use as a Proxy for Increased JIA Disease Activity
Background/Purpose: Administrative claims databases are valuable tools for studying treatment effects in large JIA populations but do not contain direct measures of disease activity, limiting…Abstract Number: 1476 • ACR Convergence 2020
Trends in Mortality and Cause-specific Mortality Among Patients with Psoriasis and Psoriatic Arthritis in Ontario, Canada
Background/Purpose: Several studies have consistently demonstrated that psoriasis is associated with an increased risk of mortality compared to the general population. However, the excess risk…Abstract Number: 0163 • ACR Convergence 2020
Cost of Non-Persistence in the Treatment with Subcutaneous Tumor Necrosis Factor-Alpha Inhibitors of Inflammatory Arthritis: A Propensity Score Matching Approach
Background/Purpose: Few studies have explored cost consequences of non-persistence in the treatment with Subcutaneous Tumor Necrosis Factor-Alpha Inhibitors (SC-TNFi) in Inflammatory Arthritis (IA; rheumatoid arthritis…Abstract Number: 0815 • ACR Convergence 2020
Initial Pharmaceutical Management in a National Cohort of Elderly-Onset Rheumatoid Arthritis Patients
Background/Purpose: Methotrexate is the preferred initial drug for treatment of rheumatoid arthritis (RA) per American College of Rheumatology guidelines (2015). People with elderly-onset RA, classified as onset…Abstract Number: 1609 • ACR Convergence 2020
The Accuracy of Administrative Health Data for Identifying Patients with Rheumatoid Arthritis: A Validation Study Using Medical Records in Western Australia
Background/Purpose: The use of large administrative health datasets is increasingly important in Rheumatology for disease trends and outcome research. We established the West Australian Rheumatic…Abstract Number: 0179 • ACR Convergence 2020
Identification of Multimorbidity Patterns in Rheumatoid Arthritis Through Machine Learning
Background/Purpose: Chronic conditions often complicate the disease course of rheumatoid arthritis (RA) and predispose to poor long-term outcomes. The interrelationship of individual chronic conditions and…Abstract Number: 0819 • ACR Convergence 2020
The Adherence Patterns Among Patients Using Infliximab Bio-originator and Biosimilar
Background/Purpose: Infliximab (INF) biosimilar was approved for multiple indications in U.S. in 2016. Although clinical trials have demonstrated that switching from infliximab bio-originator to its…