Psoriasis Diagnosis:Psoriasis Area and Severity Index (PASI) Fredriksson T. Pettersson U. Dermatologica. 1978;157(4):238-44. *BSA = Body Surface Area
Psoriasis Arthritis: ACR 20/50/70 Response - Criteria ≥20/50/70 % reduction swollen joints and ≥ 20/50/70 % reduction tender joints and ≥20/50/70% improvement in 3 of the following 5 criteria - Pain (VAS Patient) - Patient global assessment of disease activity (VAS) - Physician global assessment of disease activity (VAS) - Patient‘s assessment of physical function (HAQ) - ESR or CRP Felson D.T. et al. Arthritis and Rheum. 1995
Psoriasis Diagnosis:Dermatology Life Quality Index (DLQI) Score DLQI ≤5: Small effect on patient’s life DLQI >10: Very large effect on patient’s life Scores lie in the range 0–30, lower scores show a better HRQoL. Hongbo Y, et al. J Invest Dermatol 2005;125(4):659–64;
The DLQI Questionnaire “The aim of this questionnaire is to evaluate the influence that your skin problem has had on your life OVER THE PAST 7 DAYS. Please tick one box per question.” Finlay A.Y. et al. Clin Exp Dermatol. 1994; May;19(3):210-6.