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. 2026 Apr 14;38(4):304–312. doi: 10.5021/ad.26.008

Table 2. Summary of the final consensus on the definition of psoriasis severity and treatment targets.

Category Consensus definition
Definition of moderate-to-severe psoriasis
Primary criteria PASI score ≥10
Conditional criteria (with special area involvement) 5< PASI score <10 with affected surface area (special site) ≥30% AND sPGA ≥3
Realistic treatment targets
Primary goal Absolute PASI ≤2
Special areas Affected surface area <10% OR sPGA 0/1
Nail psoriasis NAPSI 75 OR sPGA 0/1

PASI: Psoriasis Area and Severity Index, sPGA: static Physician’s Global Assessment, NAPSI: Nail Psoriasis Severity Index.