Changes in clinical measures and ultrasonography elementary lesion scores from baseline to 6 months.
| Measure | Baseline, mean ± SD (range) | 6 Months, mean ± SD (range) | p |
|---|---|---|---|
| BASDAI | 5.83 ± 1.48 (2.1–9.2) | 3.22 ± 2.16 (0–9.4) | < 0.0005 |
| BASFI | 5.43 ± 2.17 (0–9.6) | 3.61 ± 2.60 (0–9.9) | < 0.0005 |
| MASES | 3.96 ± 3.22 (0–12) | 2.52 ± 2.80 (0–13) | < 0.0005 |
| Morphologic abnormality score | 2.19 ± 2.66 (0–11) | 1.34 ± 2.02 (0–12) | < 0.0005 |
| Calcific deposit score | 1.11 ± 1.63 (0–9) | 1.23 ± 1.79 (0–9) | 0.142 |
| Cortical abnormality score | 3.92 ± 3.73 (0–14) | 4.17 ± 3.86 (0–14) | 0.036 |
| Adjacent bursitis score | 0.94 ± 1.21 (0–5) | 0.76 ± 1.19 (0–6) | 0.036 |
| Intraenthesis Power Doppler score | 1.36 ± 2.11 (0–12) | 0.68 ± 1.64 (0–11) | < 0.0005 |
| Perienthesis Power Doppler score | 1.75 ± 2.92 (0–14) | 0.98 ± 2.23 (0–13) | < 0.0005 |
BASDAI: Bath Ankylosing Spondylitis Disease Activity Index; BASFI: Bath Ankylosing Spondylitis Functional Index; MASES: Maastricht Ankylosing Spondylitis Enthesitis Score.