Seborrhoeic dermatitis

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.

Endpoint definition

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FinnGen phenotype data
diagram bullet diagram downward connector

Filter registries Inpat., Oupat., Death

Hospital Discharge: ICD-10 L21
Hospital discharge: ICD-9 690
Hospital discharge: ICD-8 690|70630
Cause of death: ICD-10 L21
Cause of death: ICD-9 690
Cause of death: ICD-8 690|70630

Check pre-conditions None

Include endpoints None

Check conditions None

Apply sex-specific rule None

diagram downward connector L12_SEBORRHOEIC

Extra metadata

Level in the ICD hierarchy 3
First used in FinnGen datafreeze DF2
Parent code in ICD-10 L20-L30
Name in latin Eczema seborrhoicum

Summary Statistics

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Key figures

All Female Male
Number of individuals 1534 648 886
Unadjusted prevalence (%) 0.59 0.44 0.78
Mean age at first event (years) 50.92 46.62 54.06

Mortality

Follow-up Absolute risk HR [95% CI] p N
1998–2019 0.03 2.49 [1.56, 3.97] 1.3e-4 140
15 years 0.02 3.08 [2.09, 4.55] 1.6e-8 129
5 years 0.00 3.57 [2.32, 5.49] 6.7e-9 54
1 year - - - -

Correlations

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Index endpoint: L12_SEBORRHOEIC – Seborrhoeic dermatitis
GWS hits: 0

Survival analyses between endpoints

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Plot

before Seborrhoeic dermatitis
after Seborrhoeic dermatitis

loading spinner Loading survival analyses plot

Drugs most likely to be purchased after Seborrhoeic dermatitis

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