Table 1

Baseline demographic data*

PsA (n=430)RA (n=1218)p Value
Female (%)46.571.3<0.001†
Age (years)49.2±12.9 49 (39–59)56.4±13.7 57 (48–66)<0.001‡
Disease duration (years)4.4±6.6 1.2 (0.1–6.0)4.2±7.9 0.4 (0.0–5.0)<0.001§
Number of previously used DMARDs0.29±0.55 0 (0–0)0.45±0.79 0 (0–1)0.005§
DMARD naïve (%)75.369.20.02†
Concomitant folic/folinic acid (%)66.368.20.46†
  • * Values are mean±SD and medians (interquartile range) unless otherwise indicated.

  • χ2 test.

  • Two-sample t test.

  • § Mann–Whitney U test.

  • DMARD, disease-modifying antirheumatic drug; PsA, psoriatic arthritis; RA, rheumatoid arthritis.