Table 3.

Concordance (Cohen’s κ) between the different response criteria. T numbers refer to months.

CriteriaT0T4T8T12
MDA and DAS28-CRP remission0.180.180.11
DAPSA remission and DAS28-CRP remission0.300.130.15
MDA and DAPSA remission0.530.360.43
  • MDA: minimal disease activity; DAS28: 28-joint Disease Activity Score; CRP: C-reactive protein, DAPSA: Disease Activity Index for Psoriatic Arthritis.