Objective: To validate and refine two sets of candidate criteria for the classification/diagnosis
of axial spondyloarthritis (SpA). Methods: All Assessment of SpondyloArthritis international …

Objective. To compare the accuracy of existing classification criteria for the diagnosis of
psoriatic arthritis (PsA) and to construct new criteria from observed data. Methods. Data were …

Objective. Recommendations and/or guidelines represent a popular way of integrating
evidence-based medicine into clinical practice. The 3E Initiatives is a multi-national effort to …

… In this study, as well as in that of Mielants et al (1995a), one patient with yersinia-triggered
ReA developed clinical CD. In the latter study, 6.5% of the SpA patients developed IBD, all of …

Objective: Inflammatory back pain (IBP) is an important clinical symptom in patients with axial
spondyloarthritis (SpA), and relevant for classification and diagnosis. In the present report, …

Objective: To assess, firstly, the validity of the enthesis index published by Mander (Mander
enthesis index (MEI)) and, secondly, to investigate whether it is possible to define a new …

The concept of spondyloarthropathies (SpA) gathers together a group of chronic diseases
with common clinical, biological, genetic and therapeutic characteristics. The concept forms a …

Objectives: To develop evidence-based recommendations for the use of methotrexate in
daily clinical practice in rheumatic disorders. Methods: 751 rheumatologists from 17 countries …

Background: Autoantibodies such as rheumatoid factor (RF) and anticitrullinated protein
antibodies can be detected in rheumatoid arthritis (RA) sera. Objective: To determine the …

Objective To select the most appropriate radiologic scoring method for the evaluation of
radiographic progression in ankylosing spondylitis (AS) in clinical trials. Methods The validity of …