Psoriasis (vulgaris), strict definition


psoriasis: An autoimmune condition characterized by red, well-delineated plaques with silvery scales that are usually on the extensor surfaces and scalp. They can occasionally present with these manifestations: pustules; erythema and scaling in intertriginous areas, and erythroderma, that are often distributed on extensor surfaces and scalp.

Data source
FinnGen phenocode PSORI_STRICT
KELA reimboursements codes 319|377|134
Conditions required L12_PSORI_VULG
First defined in version DF3
DOID 8893
GWAS catalog 0000676
MESH D011565
SNOMED CT 9014002

Key figures

Sex All Female Male
Number of individuals 247 86 161
Unadjusted prevalence (%) 0.14 0.09 0.21
Mean age at first event (years) 51.2 49.58 52.06
Case fatality at 5-years (%) 0.4 0.0 0.62

Longitudinal metrics

Sex All Female Male
Median nb. of events per indiv. 1 1 1
Recurrence at 6 months (%) 0.95 0.83 1.03


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