Molenaar, Esmeralda T.H.; Boers, Maarten; Brooks, Peter M. - In: Disease Management and Health Outcomes 8 (2000) 2, pp. 87-97
Clinical studies in patients with rheumatoid arthritis (RA) provide valuable information on the course and outcome of the disease whereas clinical trials provide information on optimal treatment for patients. This paper discusses measurement concepts and most frequently used measures in RA. To...