[ASAS/EULAR recommendations for the management of ankylosing spondylitis : evaluation of the 2010 update in the German-speaking area].

The ASAS/EULAR recommendations for the management of ankylosing spondylitis have been updated in 2010. The recommendations have been extended from 10 to 11 recommendations and 4 superior principles have been introduced based on the level of evidence and expert knowledge. The recommendations have been translated into German and have been evaluated by 25 experts from Germany, Austria and Switzerland. The experts scored the strength of the recommendations (SOR) on an 11 point numerical rating scale (from 0 = no agreement to 10 = total agreement). With a mean score of 9.6 ± 1.05 the SOR was generally very good.