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Alopecia areata

DOID EFO Endpoint Browser PheWeb

L12_ALOPECAREATA

alopecia areata: Loss of scalp and body hair involving microscopically inflammatory patchy areas.

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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 — L63
  • Hospital discharge: ICD-9 — 7040B|7040C
  • Hospital discharge: ICD-8 — 70400
  • Cause of death: ICD-10 — L63
  • Cause of death: ICD-9 — 7040B|7040C
  • Cause of death: ICD-8 — 70400

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

808

4. Check minimum number of events

None

808

5. Include endpoints

None

808

6. Filter based on genotype QC (FinnGen only)

767

Control definitions (FinnGen only)

Control exclude L12_DISORDSKINAPPENDIX

Extra metadata

Level in the ICD hierarchy 3
First used in FinnGen datafreeze DF2
Parent code in ICD-10 L60-L75
Name in latin Alopecia areata

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 7560 5187 2341
Only index persons 7028 4903 2125
Unadjusted period prevalence (%)
Whole population 0.12 0.15 0.07
Only index persons 0.15 0.18 0.08
Median age at first event (years)
Whole population 32.57 36.09 24.73
Only index persons 33.86 37.07 26.45

-FinnGen-

Key figures

All Female Male
Number of individuals 767 593 174
Unadjusted period prevalence (%) 0.22 0.26 0.10
Median age at first event (years) 43.68 43.72 43.55

-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_ALOPECAREATA – Alopecia areata

GWS hits: -

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