Fig. 1From: Sustained low functional impairment in axial spondyloarthritis (axSpA): which are the primary outcomes that should be targeted to achieve this?Measures of disease activity over time. Month 6 n = 626; month 12 n = 497; months 6 and 12 n = 457. BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; ASDAS, Ankylosing Spondylitis Disease Activity Score; ID, inactive disease; LDA, low disease activityBack to article page