Comparison of baseline and 6 months visit for each composite index and SRM
| Baseline | 6 months visit | p Value | Mean difference | SRM | |
|---|---|---|---|---|---|
| BASDAI (0–10) | 4.3 (2.0) | 3.4 (2.1) | <0.001 | 0.9 (1.9) | 0.47 |
| ASDAS-CRP (0—not defined upper end) | 2.5 (1.1) | 1.9 (1.0) | <0.001 | 0.6 (1.2) | 0.50 |
| RAPID3-like (0–30) | 10.9 (5.8) | 8.4 (6.0) | <0.001 | 2.5 (5.8) | 0.43 |
ASDAS, Ankylosing Spondylitis Disease Activity Score; BASDAI, The Bath Ankylosing Spondylitis Disease Activity Index; CRP, C-reactive protein; RAPID3-like, routine assessment of patient index data-like; SRM, standardised response mean.