Spondyloarthropathy laboratory findings
Laboratory findings
Another term for Spondyloarthropathies that has been used years ago was seronegative arthritis, which demonstrate the negativity of any specific serum level of any rheumatoid factor such as ANA, ANCA, and etc.
However, there are some other non specific laboratory findings that can help to evaluate the patient treatment response.
| Laboratory findings in SpA | ||
|---|---|---|
| Examination | Level | % of population |
| Haemoglobin | Decreased (Anemia of chronic disease) | 15% |
| ESR | Elevated | 75% |
| CRP | Elevated | 75% |
| ALP | Elevated | 50% |
| CK | Elevated | |
| IgA | Elevated | |
| ESR: Erythrocyte Sedimentation Rate; CRP:C-reactive protein; ALP: Alkaline phosphatase; CK: Creatine kinase; IgA: immunoglobulin A | ||