The core set is a set of standardized measures covering the variable presentation of the disease, and thus assessing disease activity (Sarzi-Puttini et al., 2002). The core set includes several components and does not give a single value for disease activity. Joint scores usually evaluate the number of total tender and swollen joints. Pain and global disease activity (assessed by both physicians and patients) can be measured by using a visual analog scale (VAS) or a Likert scale. ESR and CRP are the most frequently used laboratory variables (Creemers and van de Putte, 2004).
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Do You Suffer From the Itching and Scaling of Psoriasis? Or the Chronic Agony of Psoriatic Arthritis? If so you are not ALONE! A whopping three percent of the world’s populations suffer from either condition! An incredible 56 million working hours are lost every year by psoriasis sufferers according to the National Psoriasis Foundation.