Psoriasis Area and Severity Index Bozek Version Clinical Classification

**Semantic type:** Intellectual Product

**Definition:** A standardized index developed in 2017 by Bozek et al. that combines psoriasis disease severity (measured as erythema, infiltration, and desquamation) and body surface area involvement over 4 body regions (head, trunk, upper and lower extremities) to assess progress during treatment.

**Synonyms:** - PASI BOZEK - PASI Bozek Version - PASI05