Table 3

Correlation of gene expression with disease activity in patients with RA and PsA.

Form of arthritisSpearman’s ρ (95% CI)p*
RA
  Runx2 vs
    Larsen score–0.32 (–0.57 to 0.01)0.04
    Physician assessment of disease activity–0.29 (–0.53 to 0.01)0.04
    DAS28–0.40 (–0.61 to 0.13)<0.01
  BMP-4 vs
    Physician assessment of disease activity–0.28 (–0.52 to 0.01)0.05
    Patient assessment of fatigue–0.28 (–0.52 to 0.01)0.05
    DAS28–0.28 (–0.52 to 0.01)0.05
  FasL vs
    Physician assessment of disease activity–0.33 (–0.56 to 0.05)0.02
    Patient assessment of fatigue–0.29 (–0.53 to 0.00)0.05
PsA
  Runx2 vs
    Enthesial pain–0.54 (–0.8 to 0.12)0.02
  BMP-4 vs
    Patient assessment of disease activity0.54 (0.12 to 0.79)0.02
    Patient assessment of pain0.49 (0.06 to 0.77)0.04
    BASDAI0.46 (0.02 to 0.75)0.04
  • * Gene expression values were correlated with clinical data using rank correlation and Spearman’s coefficient ρ with its 95% confidence interval (CI). Significant correlation was found in patients with rheumatoid arthritis (RA) and psoriatic arthritis (PsA).