| Erythema |
0 = absence of erythema, then grading from 1 to 4 when erythema was present 4 being for maximum erythema. |
| Scaling |
0 = absence of scaling, again grading from 1 to 4 when scaling was present being 4 maximum scaling. |
| Pigmentation |
0 = absence of pigmentation, 1 = light and focal pigmentation, 2 to 4 = increasing level of brownish pigmentation, and 5 = dark pigmentation. |
| Follicular plugs |
0 = absence of follicular plugs, 1 = few plugs in just one of the areas evaluated, 2 and 3 = increasing number of plugs in several areas, and 4 = maximum score corresponding to the diffuse presence of follicular plugs |
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