ASDAS A | ASDAS B | ASDAS C | ASDAS D | |
Included variables | BASDAI Q2 Patient global BASDAI Q6 Ln (CRP+1) √(ESR) | Patient global √(ESR) BASDAI Q3 BASDAI Q6 BASDAI Q2 | BASDAI Q2 Patient global BASDAI Q3 BASDAI Q6 Ln (CRP+1) | √(ESR) BASDAI Q2 Ln (CRP+1) BASDAI Q6 BASDAI Q1 |
Excluded variable | – | CRP | ESR | Patient global |
Items from OASIS database | ||||
BASDAI | 0.69 | 0.77 | 0.75 | 0.74 |
Patient global | 0.72 | 0.75 | 0.72 | 0.58 |
Physician global | 0.45 | 0.48 | 0.41 | 0.45 |
Dougados Functional Index | 0.46 | 0.51 | 0.47 | 0.51 |
BASFI | 0.54 | 0.56 | 0.58 | 0.60 |
CRP | 0.73 | 0.50 | 0.75 | 0.74 |
ESR | 0.67 | 0.69 | 0.50 | 0.67 |
Swollen joint count | 0.28 | 0.38 | 0.33 | 0.31 |
ASDAS, Ankylosing Spondylitis Disease Activity Score; BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; BASFI, Bath Ankylosing Spondylitis Functional Index; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; OASIS, Outcome in Ankylosing Spondylitis International Study; Q, question.