Personalised medicine, new discoveries and studies on rare exposures or outcomes require
large samples that are increasingly difficult for any single investigator to obtain …

Background In order to better understand the perspectives of patients and physicians
regarding the treatment and management of rheumatoid arthritis (RA), we present and …

Objectives To provide an evidence base for clinical practice guidelines (CPG) for the
management of rheumatoid arthritis (RA) in older adults. Methods PubMed, Cochrane …

Background Reactive arthritis (ReA) is an often neglected disease that received some
attention during the coronavirus disease 2019 (COVID-19) pandemic. There is some …

Introduction Many autoimmune diseases, including rheumatoid arthritis (RA), share common
mechanisms; however, population-based studies of the magnitude of multiple autoimmune …

As the number of people who are over the age of 60 years is growing in the general
population, the prevalence of disability from rheumatoid arthritis (RA) is also on the rise. This …

Objective To develop evidence-based recommendations on how to investigate and follow-
up undifferentiated peripheral inflammatory arthritis (UPIA). Methods 697 rheumatologists …

Objectives To summarise the evidence on diagnostic issues in difficult-to-treat rheumatoid
arthritis (D2T RA) informing the EULAR recommendations for the management of D2T RA …

Objective. We present national and state estimates for 1990 and projections for the year
2020 of the prevalence of self‐reported arthritis and other rheumatic diseases and related …

Rheumatoid Arthritis (RA) is a systemic disease with many different clinical phenotypes. RA
could be classified according to disease duration, seropositivity for rheumatoid factor (RF) …