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Physician Global Scale for Acne Scar Severity (PGA)
| CATEGORY | SCORE | DESCRIPTION |
|---|---|---|
| Clear | 0 | No visible scars from acne |
| Almost clear | 1 | Hardly visible scars from 2.5m away |
| Mild | 2 | Easily recognizable; less than half the face involved |
| Moderate | 3 | More than half the face involved |
| Severe | 4 | Entire face involved |
| Very severe | 5 | Entire face with prominent atrophic or hypertrophic scars |
