What is the ePASI
The ePASI score
For each subarea a score is determined:
Score - Head:
Scores for redness, scaling and thickening on the head (sum between 0 and 16) multiplied by the body surface (head 0-6), multiplied by 0.1.
Score - Trunk:
Scores for redness, scaling and thickening on the trunk (sum between 0 and 16), multiplied by the body surface of the trunk (between 0 and 6), multiplied by 0.3.
Score - Arms:
Scores for redness, scaling and thickening on arms (sum between 0 and 16) multiplied by the body surface (arms 0-6) multiplied by 0.2.
Score - Legs:
Scores for itching, redness, scaling and thickening on legs (sum between 0 and 16) multiplied by the body surface of legs (between 0-6) multiplied by 0.4.
The addition of the 4 partial scores results in a total score (between 0 and 72) = PASI
1) Severity of Psoriatic lesions
Please circle a number for each of the following: erythema (redness), induration (thickness) and scaling. The severity score is rated from zero (none) to 4 (very severe).
2) Affected body surface
Please note the affected area for the respective body region in line 6. Circle the respective numbers before the percentages.
Multiply result from No.4 with the number you chose in No.6.
Multiply the result you got in line 7 with the number in line 8. Each body region has a different number corresponding to that area. For Head multiply the result in line 7 with 0.1. For Trunk: x 0.3; For Arms: x 0.2; For Legs: x 0.4.
Sum up all the numbers in line 9 to get the final PASI score.
Following you can find the versions of the ePASI
Plate XXIII, Psoriasis. Crocker 1896
Credit: Wellcome Library, London
Psoriasis is a long-lasting autoimmune disease known by its abnormal patches of skin (red, itchy and even scaly).
“Psoriasis is a chronic inflammatory disease, with an incidence in Western industrialized countries of 1.5 % to 3 %. It represents a great burden to the patient due to marked loss of quality of life, therapy-refractory course and frequent side effects of therapy.”
Prof. Dr. med. Matthias Augustin
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