Correlation analysis of serum levels of indicated mediators and systemic parameters of disease activity for the first population
| Serum IL-17 | Serum IL-23 | Serum CCL20 | ||||
|---|---|---|---|---|---|---|
| r | p Value | r | p Value | r | p Value | |
| RA | ||||||
| SJC | −0.224 | 0.388 | 0.697 | 0.004 | 0.057 | 0.829 |
| ESR | −0.041 | 0.884 | 0.665 | 0.013 | 0.432 | 0.108 |
| CRP | 0.010 | 0.971 | 0.578 | 0.030 | 0.464 | 0.081 |
| DAS28 | −0.262 | 0.388 | 0.627 | 0.039 | 0.126 | 0.681 |
| Non-PsA SpA | ||||||
| SJC | −0.282 | 0.215 | −0.155 | 0.514 | −0.388 | 0.082 |
| ESR | −0.228 | 0.334 | −0.001 | 0.997 | 0.139 | 0.558 |
| CRP | −0.057 | 0.807 | −0.089 | 0.708 | 0.193 | 0.401 |
| DAS28 | NA | NA | NA | NA | NA | NA |
| PsA | ||||||
| SJC | 0.085 | 0.728 | 0.177 | 0.470 | 0.022 | 0.930 |
| ESR | 0.267 | 0.284 | 0.009 | 0.972 | 0.212 | 0.398 |
| CRP | 0.150 | 0.539 | −0.099 | 0.687 | 0.177 | 0.470 |
| DAS28 | NA | NA | NA | NA | NA | NA |
All correlations were calculated with the Spearman correlation coefficient test.
CRP, C-reactive protein; DAS28, disease activity score in 28 joints; ESR, erythrocyte sedimentation rate; NA, not assessed; PsA, psoriatic arthritis; RA, rheumatoid arthritis; SJC, swollen joint count; SpA, spondyloarthritis.