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

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

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

Index endpoint: L12_SEBORRHOEIC – Seborrhoeic dermatitis
GWS hits: 0

Survival analyses between endpoints

Plot

before Seborrhoeic dermatitis
after Seborrhoeic dermatitis

loading spinner Loading survival analyses plot

Drugs most likely to be purchased after Seborrhoeic dermatitis