... difficulty they experience performing eight activ-ities (dressing, getting out of bed, lifting a cup, walking,bathing, bending, turning faucets, and getting in and out of a car), on a scale ranging from ... College of Rheumatology. Preliminary definition of improvement in rheumatoid arthritis. Arthritis Rheum 1995, 38:727-735.26. Guyatt G, Walter S, Norman G: Measuring change over time:assessing the ... global assessment of disease activity scale, wascompleted by the examining physician or nurse. Ratersassessed the degree of inflammatory disease activity on a10-point scale, ranging from 'mildest...