Patent ID: 7955260

Claim:
A method for rating the severity of psoriasis in a patient, comprising: a) assessing a percent of the patient's body surface exhibiting signs of psoriasis, b) assessing overall qualities of the patient's psoriasis plaques, said qualities being elevation, erythema, and scale, c) classifying, in a computing device, the severity of the patient's psoriasis into at least four classes of increasing severity, wherein a classification into the lowest class indicates that the patient is free of psoriasis, and wherein a classification into the highest class indicates that the patient has a most severe form of psoriasis, wherein said classification is based upon the percent of the patient's body surface exhibiting signs of psoriasis adjusted by the overall elevation, erythema and scale of the patient's psoriasis plaques, and wherein the weight given to one or more of the overall qualities of elevation, erythema or scale of the patient's psoriasis plaques in classifying the severity of the patient's psoriasis into a higher class is greater than the weight given to other of the overall qualities.