... antinuclear antibody; AS = ankylosing spondylitis; ATTRACT = Anti-TNF Trial in Rheumatoid Arthritis with Comcomitant Therapy; BASDAI =Bath Ankylosing Spondylitis Disease Activity Index; BASFI ... D, Bellamy N, Calin A, Dougados M, Khan MA, vander Linden S: Preliminary core sets for endpoints in ankylosing spondylitis. Assessments in Ankylosing Spondylitis WorkingGroup. J Rheumatol 1997, ... ankylosing spondylitis; BASDAI, Bath Ankylosing SpondylitisDisease Activity Index; DMARD, disease-modifying antirheumatic drug;NSAID, nonsteroidal anti-inflammatory drug.Table 3Anti-TNF therapy...