Characteristics | Rheumatoid arthritis | Spondyloarthritides | ||
---|---|---|---|---|
 | Synovial fluid | Peripheral blood | Synovial fluid | Peripheral blood |
 | ( n = 7) | ( n = 14) | ( n = 11) | ( n = 30) |
Age, years | 34.8 ± 12.4 | 53.4 ± 14.5 | 32.4 ± 11.0 | 35.8 ± 13.2 |
Disease duration, years | 4.4 ± 7.6 | 2.6 ± 8.2 | 6.6 ± 5.2 | 6.09 ± 5.91 |
ESR, mm/hour | 59.3 ± 13.8 | 52.2 ± 26.0 | 36.8 ± 20.2 | 27.7 ± 21.5 |
CRP, mg/mL | 6.1 ± 4.9 | 5.4 ± 1.6 | 3.6 ± 2.7 | 2.3 ± 3.2 |
RF | 6/7+ | 12/14+ | 4/4- | 11/11- |
Anti-CCP | 4/7+ | 8/14+ | 3/3- | 4/4- |
HLA-B27 | Not done | Not done | 7/9+ | 21/26+ |
DAS28 score | 5.6 ± 1.4 | 5.4 ± 1.8 |  |  |
BASDAI score |  |  | 2.3 ± 2.1 | 3.9 ± 2.6 |
DMARDs, n | All patients | 12 | 3 | None |