Fig. 1From: Adaptation of Chinese and English versions of the Ankylosing Spondylitis quality of life (ASQoL) scale for use in SingaporeMean ASQoL scores stratified by known-groups. HAQ = health assessment questionnaire; BASDAI = Bath ankylosing spondylitis disease activity index; GH = general health status (Good = excellent/very good/good; poor = fair/poor)Back to article page