Seborrhoeic dermatitis

Description

seborrheic dermatitis: A dermatitis that is an inflammatory skin condition resulting in flaky, white to yellowish scales on oily areas such as the scalp or inside the ear, which is caused due to a combination of an over production of skin oil and irritation from a yeast Malassezia furfur. The symptoms include itching, skin lesions and scales, redness, plaques and hair loss.

Data source
FinnGen phenocode L12_SEBORRHOEIC
Hospital Discharge registry ICD-10: L21, ICD-9: 690, ICD-8: 690|70630
Cause of Death registry ICD-10: L21, ICD-9: 690, ICD-8: 690|70630
Level in the ICD-hierarchy 3
First defined in version DF2
Ontology
DOID 8741
GWAS catalog 1000764
MESH D012628

Key figures

Sex All Female Male
Number of individuals 960 402 558
Unadjusted prevalence (%) 0.55 0.41 0.74
Mean age at first event (years) 50.84 48.24 52.71
Case fatality at 5-years (%) 2.81 0.75 4.3

Longitudinal metrics

Sex All Female Male
Median nb. of events per indiv. 1 1 1
Recurrence at 6 months (%) 25.21 25.12 25.27

Associations

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