The 1971 preliminary criteria for the classification of systemic lupus erythematosus (SLE)
were revised and updated to incorporate new immunologic knowledge and improve disease …

A structure for representation of patient outcome is presented, together with a method for
outcome measurement and validation of the technique in rheumatoid arthritis. The paradigm …

The revised criteria for the classification of rheumatoid arthritis (RA) were formulated from a
computerized analysis of 262 contemporary, consecutively studied patients with RA and 262 …

The average length of life has risen from 47 to 73 years in this century, but the maximum life
span has not increased. Therefore, survival curves have assumed an ever more rectangular …

Objective. To standardize outcome measures in systemic lupus erythematosus (SLE). Three
indices were identified which could adequately describe outcome (disease activity, damage …

OBJECTIVES: Patient-reported outcomes (PROs) are essential when evaluating many new
treatments in health care; yet, current measures have been limited by a lack of precision, …

Osteoarthritis is the most common form of arthritis, affecting millions of people in the United
States. It is a complex disease whose etiology bridges biomechanics and biochemistry. …

Background: The National Institutes of Health (NIH) Patient-Reported Outcomes
Measurement Information System (PROMIS) Roadmap initiative (www. nihpromis. org) is a 5-year …

Criteria for the classification of Wegener's granulomatosis (WG) were developed by comparing
85 patients who had this disease with 722 control patients with other forms of vasculitis. …

Objective. To determine the risk and causes of death and to quantify mortality predictors in
patients with rheumatoid arthritis (RA). Methods. RA patients (n = 3,501) from 4 centers (…