Table 3.

Concordance between VLDA and other indices of remission and PsAID.

Variablesκ95% CI
DAPSA ≤ 4 vs VLDA0.52(0.38–0.67)
cDAPSA ≤ 4 vs VLDA0.42(0.29–0.55)
DAPSA ≤ 4 vs PsAID < 40.46(0.33–0.57)
cDAPSA ≤ 4 vs PsAID < 40.58(0.47–0.70)
VLDA vs PsAID < 40.18(0.10–0.25)
  • VLDA: very low disease activity; DAPSA: Disease Activity Index for Psoriatic Arthritis; cDAPSA: clinical DAPSA; PsAID: Psoriatic Arthritis Impact of Disease questionnaire.