In rheumatic diseases, classification criteria have been developed to identify well-defined
homogenous cohorts for clinical research. Although they are commonly used in clinical …

Rheumatologists face unique challenges in discriminating between rheumatologic and
nonrheumatologic disorders with similar manifestations, and in discriminating among …

Objective To identify classification criteria for the rheumatic diseases and to evaluate their
measurement properties and methodologic rigor using current measurement standards …

In this issue of Arthritis and Rheumatism new spondylarthropathy criteria are proposed (1),
the latest in a series of criteria for rheumatic diseases spanning 40 years. Previous efforts …

Objectives To evaluate the performance of the American College of Rheumatology
(ACR)/European League Against Rheumatism (EULAR) 2010 classification criteria for …

Because most rheumatic diseases lack a single distinguishing feature, the presence of a
combination of clinical and, sometimes, laboratory manifestations is needed to identify a …

Abstract Objective The American College of Rheumatology and the European League
Against Rheumatism have developed new classification criteria for rheumatoid arthritis (RA) …

Relevance to the clinician. Clinicians already know that not all patients who are diagnosed
with rheumatic diseases really have them. Moreover, determining which patients have …

In the current issue of Arthritis Care & Research, Johnson et al report the results of a
systematic literature research on the main psychometric properties of classification criteria …

The goal of earlier classification of RA seems to be met with the new criteria, but exclusion of
other diagnoses is essential. Increased sensitivity comes at the price of loss of specificity …