Outcome | Variable | OR (95% CI) |
---|---|---|
Clinically important or major improvement of ASDAS-CRP | Body fat % at baseline | 0.8 (0.7–0.98) |
Fat mass index at baseline | 0.7 (0.4–0.99) | |
Fat mass index percentileb at baseline | 0.9 (0.9–0.99) | |
BASDAI minimum clinically important improvementc | Fat mass index percentileb at baseline | 0.95 (0.91–0.99) |
↵a Controlled for sex, age, years with symptoms, time of followup, use of DMARD and NSAID, and baseline outcome value.
↵b Percentiles according to the reference population tables, stratified by age and sex.
↵c Only for patients with a BASDAI ≥ 4 at baseline. ASDAS: Ankylosing Spondylitis Disease Activity Score; CRP: C-reactive protein; BASDAI: Bath Ankylosing Spondylitis Disease Activity Index; DMARD: disease-modifying anti-rheumatic drug; NSAID: nonsteroidal antiinflammatory drug.