C reactive protein (CRP) levels
| Subjects | CRP (μg/ml) median (interquartile range) |
|---|---|
| *Significantly different from control (p=0.008); †spondyloarthropathy. | |
| Patients, n=56 | 1.59 (0.63–3.47)* |
| Controls, n=37 | 0.81 (0.32–2.09) |
| Patients with SpA†, n=12 | 1.27 (0.37–2.52) |
| Patients without SpA, n=44 | 1.68 (0.81–3.60) |