Table 1.

GAGS

Global acne grading system
Location		Factor
Forehead	Right cheek	2	2
Left cheek	Nose	2	1
Chin	Chest and upper back	1	3

NOTE=Each type of lesion is given value given according to severity. No lesion=0; Comedones=1; Papules=2; Pustules=3; Nodules=4; Score of each area is (local score) calculated using the formula: Local score=factor×grade (0-4). The global score is sum of local scores and acne severity is graded using the global score. Mild: 1-18; Moderate: 19-30; Severe: 31–-38; Very severe: >39