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Psoriasis

Physician‘s Global Assessment (PGA) of Psoriasis

5-point disease severity scale based on induration, scaling and redness of the lesions.

Score

Score

0

1

2

3

4

Definition

Clear

Almost clear

Mild

Moderate

Severe

Description

No signs of psoriasis, but postinflammatory discoloration may be present

Only minimal plaque elevation, scaling, and erythema

Slight plaque elevation, scaling, and erythema

Moderate plaque elevation, scaling, and erythema

Very marked plaque elevation, scaling, and erythema

Reference: Pascoe VL, Enamandram M, Corey KC, et al. Using the Physician Global Assessment in a Clinical Setting to Measure and Track Patient Outcomes.

JAMA Dermatol. 2015;151(4):375–381. doi:10.1001/jamadermatol.2014.3513

Device

Device

Device