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Figure 1 | Arthritis Research & Therapy

Figure 1

From: Reappraisal of the diagnostic and prognostic value of morning stiffness in arthralgia and early arthritis: results from the Groningen EARC, Leiden EARC, ESPOIR, Leiden EAC and REACH

Figure 1

Outline of study questions. Of the 2010-RA patients in the EAC, radiographs were scored for the patients included between 1993 and 2006 (n = 636). Baseline characteristics of RA patients included before or after 2006 were not different. In ESPOIR, radiographic data was available for 659 of 677 RA patients. Here also, baseline characteristics of patients with and without radiographs were not different. EAC, Early Arthritis Clinic; ESPOIR, Evaluation et Suivi de POlyarthrites Indifférenciées Récentes; RA, rheumatoid arthritis.

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