Measuring Disease Activity in Psoriatic Arthritis

Table 1

Clinical assessment of psoriasis outcome measures.

	Erythema	Induration	Desquamation	BSA	Psychosocial impact	Measured by
BSA				Yes		Physician
PASI	Yes	Yes	Yes	Yes		Physician
PGA	Yes	Yes	Yes			Physician
LSPGA	Yes	Yes	Yes	Yes		Physician
SAPASI	Yes	Yes	Yes	Yes		Patient
SPI	Yes	Yes	Yes	Yes	Yes	Physician

BSA: Body Surface Area; PASI: Psoriasis Area and Severity Index; PGA: Physician’s Global Assessment; LGPGA: Lattice System Physician’s Global Assessment; SAPASI: Self-Administered PASI; SPI: Salford Psoriasis Index.