Psoriasis Static Physician Global Assessment (PGA)

Use the static PGA to determine the overall damage of psoriasis at a given time point. Assess the overall damage of infiltration, erythema, and scaling according to the following scale.

Infiltration (I) (Average Overall Damage)

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Infiltration (I) (Average Overall Damage)

No evidence of plaque elevation

Plaque slightly raised = 0.25 mm

Plaque mildly raised, = 0.5 mm

Plaque moderately raised, = 0.75 mm

Plaque significantly raised, = 1 mm

Plaque severely raised, = 1.25 mm or more

Erythema (E) (Average Overall Damage)

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Erythema (E) (Average Overall Damage)

No visible erythema, possible pigmentation

Faint erythema

Light red color

Moderate red color

Bright red color

Dark red to deep red color

Scaling (S) (Average Overall Damage)

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Scaling (S) (Average Overall Damage)

No visible scaling

Very mild; occasional fine scales on less than 5% of lesions

Mild, mainly fine scales

Moderate, mainly coarse scales

Significant, mainly non-adherent thick scales

Severe, mainly adherent very thick scales

PGI Score:

Result: