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Seborrhoeic dermatitis

DOID EFO MESH PheWeb

L12_SEBORRHOEIC

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

356077 individuals

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Apply sex-specific rule None

356077

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Check conditions None

356077

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Filter registries

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

2352

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Check pre-conditions, main-only, mode, ICD version

Look only at ICD versions H.D: 10, 8, 9 ; C.O.D: 10, 8, 9

2352

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Check minimum number of events None

2352

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Include endpoints None

2352

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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 2352 973 1379
Unadjusted prevalence (%) 0.66 0.49 0.88
Mean age at first event (years) 52.03 47.04 55.54

Mortality

Follow-up Absolute risk HR [95% CI] p N
1998–2019 0.02 1.42 [0.88, 2.29] 1.5e-1 241
15 years 0.01 0.83 [0.49, 1.39] 4.7e-1 114
5 years 0.00 1.77 [1.07, 2.91] 2.6e-2 84
1 year 0.00 2.16 [1.17, 3.99] 1.4e-2 19

Age distribution of first events

Year distribution of first events

Cumulative Incidence

Correlations

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Index endpoint: L12_SEBORRHOEIC – Seborrhoeic dermatitis
GWS hits:

Survival analyses between endpoints

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Plot

before Seborrhoeic dermatitis
after Seborrhoeic dermatitis

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Drugs most likely to be purchased after Seborrhoeic dermatitis

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