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In Germany, the numbers of patients with spondylarthritides (SpA) and rheumatoid arthritis (RA) have increased. This rise was possibly promoted by the introduction of new classification criteria (CC) that enable an earlier recognition and the inclusion of less severe cases. The study explores how the new CC for axial SpA (axSpA) are incorporated into the clinical practice, compared with the CC for RA and systemic lupus erythematosus (SLE). In addition, the study investigated whether the new entity of non-radiographic axSpA (nr-axSpA) is accepted and used in Germany.