Table 1.

Investigator's Global Assessment for acne

Score	Description	Details
0	Clear	Clear skin with no inflammatory or non-inflammatory lesions
1	Almost clear	Rare non-inflammatory lesions with no more than one inflammatory lesion
2	Mild	Greater than grade 1; some non-inflammatory lesions with no more than a few inflammatory lesions (Papules or pustules only, no nodular lesions)
3	Moderate	Greater than grade 2; up to many non-inflammatory lesions and may have some inflammatory lesions but no more than one small nodular lesion
4	Severe	Greater than grade 3; up to many non-inflammatory and inflammatory lesions but no more than a few nodular lesions