Table 1

Composite indices used to define REM and LDA in PsA

IndexComponentsCut-off for REMCut-off for LDA
VLDA/MDATender joints (≤1).
Swollen joints (≤1).
Skin psoriasis (PASI ≤1 or BSA ≤3%).
Entheses (≤1).
Pain (≤15).
Patient global for joints and skin (≤20).
HAQ (≤0.5).
VLDA: 7/7 of the criteriaMDA: 5/7 of the criteria
DAPSATender joints.
Swollen joints.
Pain.
Patient global assessment.
CRP.
DAPSA remission ≤4DAPSA LDA: 5 to ≤14
cDAPSATender joints.
Swollen joints.
Pain.
Patient global assessment.
cDAPSA remission ≤4cDAPSA LDA: 5 to ≤13
  • BSA, body surface area; CRP, Creactive protein; DAPSA, Disease Activity Index for PSoriatic Arthritis; HAQ, Health Assessment Questionnaire; LDA, Low Disease Activity; MDA, minimal disease activity; PASI, Psoriasis Activity And Severity Index; PsA, psoriatic arthritis; REM, Remission; VLDA, very low disease activity; tender joint count on 68 joints; swollen joint count on 66 joints; cDAPSA, clinical DAPSA.