Table 2 Characteristics of the study cohort
From: Anti-SIRT1 autoantibody is elevated in ankylosing spondylitis: a potential disease biomarker
Variable | AS | RA | PsA | HC |
|---|---|---|---|---|
Number | 185 | 94 | 12 | 87 |
Age (years) (median) | 15–70 (34.6) | 14–54 (41.1) | 31–62 (45.1) | 20–50 (35.2) |
Gender ratio (male: female) | 139:46 | 12:82 | 10:2 | 66:21 |
Disease duration (years) | 7.4 (0.04–31) | – | – | – |
Positive for HLA-B27 | 94.3% | – | – | – |
Hips joint involvement (n, %) | 57 (30.8%) | 0 | 0 | – |
ESR (mm/h) (median) | 31.6 ± 42.3 | 31.2 ± 25.7 | 32.6 ± 25.9 | – |