Comparison between groups on T cell subsets in peripheral blood. Values are expressed as mean ± SD percentage.
| Subpopulation | AS, n = 39 | AS with Anti-TNF-α, n = 7 | RA, n = 20 | Healthy Controls, n = 25 | p* |
|---|---|---|---|---|---|
| Th1 | 4.0 ± 1.3 | 0.7 ± 0.2 | 4.2 ± 1.5 | 1.1 ± 0.3 | < 0.0001 |
| Th2 | 1.3 ± 0.4 | 1.3 ± 0.6 | 1.1 ± 0.3 | 1 ± 0.4 | 0.2 |
| Th17 | 7.4 ± 1.8 | 0.8 ± 0.2 | 1.4 ± 1.1 | 0.7 ± 0.2 | < 0.0001 |
| Treg | 7.3 ± 1.3 | 5.7 ± 1.8 | 6.3 ± 1.9 | 5.3 ± 1.7 | 0.03 |
↵* One-way ANOVA. AS: ankylosing spondylitis; TNF: tumor necrosis factor; RA: rheumatoid arthritis.