Abstracts tagged "epidemiologic methods and population studies"

Abstract Number: 1104 • 2019 ACR/ARP Annual Meeting
Heritability and Familial Risk of Systemic Lupus Erythematosus in Sweden: A Population-based Case-control Study
Elizabeth Arkema¹, Marios Rossides ¹, Christopher Sjöwall ², Elisabet Svenungsson ³ and Julia Simard ⁴, ¹Clinical Epidemiology Division, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden, ²Department of Clinical and Experimental Medicine, Rheumatology/Division of Neuro and Inflammation Sciences, Linköping University, Linköping, Sweden, ³Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden, ⁴Stanford University School of Medicine, Palo Alto, CA
Background/Purpose: Previous studies examining the relative risk (RR) associated with having a first degree relative (FDR) with systemic lupus erythematosus (SLE) were small and few…
Abstract Number: 159 • 2018 ACR/ARHP Annual Meeting
The Frequency of Screening and Prevalence of Antiphospholipid Antibodies in the General Population
Giordano Egiziano¹, Jessica Widdifield², Anisur Rahman³, Evelyne Vinet⁴, Cristiano S. Moura⁵, Jeffrey R. Curtis⁶ and Sasha Bernatsky⁷, ¹Department Medicine, McGill University, Montreal, QC, Canada, ²University Health Network, Toronto, ON, Canada, ³Rayne Institute, University College London, London, United Kingdom, ⁴Divisions of Rheumatology and Clinical Epidemiology, McGill University Health Centre, Montreal, QC, Canada, ⁵The Centre for Outcomes Research and Evaluation (CORE), McGill University Health Centre, Montreal, QC, Canada, ⁶University of Alabama at Birmingham, Birmingham, AL, ⁷Divisions of Rheumatology and Clinical Epidemiology, The Research Institute of the McGill University Health Centre, Montreal, QC, Canada
Background/Purpose: The antiphospholipid syndrome (APS) is defined by vascular thrombosis or pregnancy morbidity in the presence of persistently circulating antiphospholipid antibodies (aPL). Those positive for…
Abstract Number: 893 • 2015 ACR/ARHP Annual Meeting
Epidemiological Features of Childhood IgA Vasculitis (Henoch-Schönlein) in a French County: A Population-Based Survey
Maryam Piram¹, Carla Maldini², Sandra Biscardi³, Nathalie De Suremain⁴, Christine Orzechowski⁵, Emilie Georget⁶, Delphine Regnard⁷, Isabelle Koné-Paut¹ and Alfred Mahr², ¹Pediatric Rheumatology, CHU Bicêtre, Le Kremlin Bicêtre, France, ²Internal Medicine, Hospital Saint-Louis, Paris, France, ³Pediatrics, Centre Hospitalier Intercommunal Créteil, Créteil, France, ⁴Pediatrics, CHU Trousseau, Paris, France, ⁵Pediatrics, CH Sainte Camille, Bry-sur-Marne, France, ⁶Pediatrics, Centre hospitalier de Villeneuve-Saint-Georges, Villeneuve Saint Georges, France, ⁷Pediatrics, CHU Bicêtre, Le Kremlin Bicêtre, France
Background/Purpose: IgA vasculitis (IgAV, Henoch–Schönlein) is the most common childhood vasculitis in western countries. Population-based studies mainly carried out in Europe over the last 4…
Abstract Number: 2939 • 2014 ACR/ARHP Annual Meeting
Increased Diagnosis of Spondyloarthritis in Female Patients Started in the Early Biologic Era
Nisha Nigil Haroon¹, Ping Li², Michael Paterson² and Nigil Haroon³, ¹Department of Medicine, University of Toronto, Toronto, ON, Canada, ²Institute of Clinical Evaluative Sciences, Toronto, ON, Canada, ³Toronto Western Research Institute, Toronto, ON, Canada
Background/Purpose The health and economic impact of spondyloarthritis is considerable and growing. Over the past decade or more, there have been two major changes in…