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Physician‘s Global Assessment (PGA) for Acne

Score

Score

0

1

2

3

4

Definition

Clear

Almost clear

Mild

Moderate

Severe

Description

Residual hyperpigmentation and eyrthema may be present

A few scattered comedones and a few small papules

Easily recognizable; less than half the face is involved

More than half the face is involved; many comedones, papules, and pustules; 1 nodule may be present

Entire face is involved; covered with comedones, numerous papules and pustules; few nodules and cysts may or may not be present

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

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