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Seborrhoeic dermatitis

DOID EFO Endpoint Browser 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.

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Endpoint definition

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Endpoint definition steps

FinnGen

Phenotype data

429209

1. Apply sex-specific rule

None

429209

2. Check conditions

None

429209

3. Check pre-conditions, main-only, mode, registry filters

Registry filters:

  • 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

2 out of 7 registries used, show all original rules.

3049

4. Check minimum number of events

None

3049

5. Include endpoints

None

3049

6. Filter based on genotype QC (FinnGen only)

2949

Control definitions (FinnGen only)

Control exclude L12_DERMATITISECZEMA

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

Case counts by codes

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FinnGen case counts by registry codes:

generic upset plot

Upset plot

Full data table

Summary Statistics

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-FinRegistry-

Key figures

All Female Male
Number of individuals
Whole population 27055 10631 16244
Only index persons 24323 9856 14467
Unadjusted period prevalence (%)
Whole population 0.39 0.30 0.45
Only index persons 0.48 0.36 0.55
Median age at first event (years)
Whole population 51.96 48.40 54.18
Only index persons 51.03 48.14 52.99

-FinnGen-

Key figures

All Female Male
Number of individuals 2949 1236 1713
Unadjusted period prevalence (%) 0.77 0.54 0.94
Median age at first event (years) 54.96 48.88 59.34

-FinRegistry-

Age distribution of first events

-FinnGen-

Age distribution of first events

-FinRegistry-

Year distribution of first events

-FinnGen-

Year distribution of first events

-FinRegistry-

Cumulative Incidence Function

-FinnGen-

Cumulative Incidence Function

Mortality – FinRegistry

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Relationships between endpoints

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Index endpoint: L12_SEBORRHOEIC – Seborrhoeic dermatitis

GWS hits: 2

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