RT Journal Article SR Electronic T1 Core Outcome Sets Specifically for Longterm Observational Studies: OMERACT Special Interest Group Update in Rheumatoid Arthritis JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1164 OP 1167 DO 10.3899/jrheum.181076 VO 46 IS 9 A1 Maria A. Lopez-Olivo A1 José B. Negrón A1 Richard J. Zogala A1 Loreto Carmona A1 Karla Criner A1 Niti Goel A1 Laura Gonzalez-Lopez A1 Francesca Ingegnoli A1 Amye Leong A1 Lyn March A1 Beverly Shea A1 Vibeke Strand A1 Peter Tugwell A1 Tiffany Westrich-Robertson A1 Natalia V. Zamora A1 Robin Christensen A1 Maria E. Suarez-Almazor YR 2019 UL http://www.jrheum.org/content/46/9/1164.abstract AB Objective. This is an update from the Outcome Measures in Rheumatology (OMERACT) Core Outcomes in Longterm Observational Studies Special Interest Group with a focus on rheumatoid arthritis.Methods. Preliminary data and proposed next steps were outlined and discussed by participants.Results. Domains identified after initial steps (systematic review and qualitative research) were pain, physical functioning, participation (i.e., work, social), longterm symptoms, fertility/family planning, emotional well-being, coping, financial status, and adverse events including death.Conclusion. The group agreed conceptually that short-term core outcomes could be different from longer term ones. Participants emphasized the importance of analyzing the need for core domains specifically for longterm longitudinal observational studies.