Table 3

Association between gender and ASDAS across regions (stratified analyses following the statistically significant interaction between gender and region)

Gender (female vs male)*AsiaEuropeAfricaNorth AmericaSouth America
ASDAS β (95% CI)−0.02 (−0.20 to 0.15) 0.20 (0.10 to 0.30) 0.51 (0.27 to 0.75) 0.08 (−0.27 to 0.43) 0.46 (0.17 to 0.75)
  • Estimates with p<0.05 are highlighted in bold.

  • *Model adjusted for age, education, Rheumatic Disease Comorbidity Index, body mass index, axial involvement and smoking.

  • ASDAS, Ankylosing Spondylitis Disease Activity Score.