Clinical and demographic characteristics of patients stratified by ASAS 20 response to treatment*
| Responders (n = 18) | Non-responders (n = 4) | p Value | |
|---|---|---|---|
| Results are shown as mean (SD). | |||
| *Groups were stratified by ASAS 20 response criteria, see “Methods” for a detailed description of ASAS. | |||
| BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; BASFI, Bath Ankylosing Spondylitis Functional Index. | |||
| Sex (M:F) | 15:3 | 3:1 | 0.78 |
| Age (years) | 39.7 (8.5) | 40.3 (6.5) | 0.9 |
| Disease duration (years) | 9 (7.2) | 16 (5.7) | 0.08 |
| NSAID treatment | 14 | 3 | 0.14 |
| DMARD treatment | 7 | 2 | 0.7 |
| BASDAI | 5.8 (1.15) | 5.6 (2.2) | 0.39 |
| BASFI | 6 (2.4) | 6 (2.2) | 0.9 |
| CRP (mg/l) | 307.2 (359) | 62.5 (49.9) | 0.01 |
| TNFα (pg/ml) | 4797.8 (2793) | 2607 (546) | 0.006 |