Grade or Type Number of Lesions 1(1-10) Number of Lesions 2(11-20) Number of Lesions 3(>20)
A) Milder scarring (1 point each) Macular erythematous pigmented Mildly atrophic dish-like 1 point 2 points 3 points
B) Moderate scarring (2 points each) Moderately atrophic, dish like Punched out with shallow bases small cars (<5mm) Shallow but broad atrophic areas 2 points 4 points 6 points
C) Severe scarring (3 points each) Punched out with deep but normal bases, small scars (<5mm) Punched out with deep but abnormal bases, small scars (<5mm) Linear or troughed dermal scarring Deep, broad atrophic areas 3 points 6 points 9 points
D) Hyperplastic Papular scars Keloidal/Hypertrophic scars 2 points Area<5mm 6 points 4 points Area 5-20 cm2 12 points 6 points Area>20 cm2 18 points
Table 2: Goodman’s quantitative global acne scarring grading system.