Severity Psoriasis

distribution of severity

there no consensus how classify severity of psoriasis. mild psoriasis has been defined percentage of body surface area (bsa)≤10, psoriasis area severity index (pasi) score ≤10, , dermatology life quality index (dlqi) score ≤10. moderate severe psoriasis defined same group bsa >10 or pasi score >10 , dlqi score >10. dlqi 10 question tool used measure impact of several dermatologic diseases on daily functioning. dlqi score ranges 0 (minimal impairment) 30 (maximal impairment) , calculated each answer being assigned 0–3 points higher scores indicating greater social or occupational impairment.

the psoriasis area severity index (pasi) used measurement tool psoriasis. pasi assesses severity of lesions , area affected , combines these 2 factors single score 0 (no disease) 72 (maximal disease). nevertheless, pasi can unwieldy use outside of research settings, has led attempts simplify index clinical use.