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Acanthosis nigricans

DOID EFO Endpoint Browser PheWeb

L12_ACANTHNIGRICANS

acanthosis nigricans: a brown to black, poorly defined, velvety hyperpigmentation of the skin. It is usually found in body folds, such as the posterior and lateral folds of the neck, the armpits, groin, navel, forehead, and other 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 — L83
  • Hospital discharge: ICD-9 — 7012A
  • Hospital discharge: ICD-8 — 7011
  • Cause of death: ICD-10 — L83
  • Cause of death: ICD-9 — 7012A
  • Cause of death: ICD-8 — 7011

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

107

4. Check minimum number of events

None

107

5. Include endpoints

None

107

6. Filter based on genotype QC (FinnGen only)

100

Control definitions (FinnGen only)

Control exclude L12_OTHERSKINSUBCUTIS

Extra metadata

Level in the ICD hierarchy 3
First used in FinnGen datafreeze DF2
Parent code in ICD-10 L80-L99
Name in latin Acanthosis nigricans

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 1289 650 620
Only index persons 1001 528 473
Unadjusted period prevalence (%)
Whole population 0.02 0.02 0.02
Only index persons 0.02 0.02 0.02
Median age at first event (years)
Whole population 35.84 38.52 32.41
Only index persons 27.01 31.54 21.95

-FinnGen-

Key figures

All Female Male
Number of individuals 100 59 41
Unadjusted period prevalence (%) 0.02 0.03 0.02
Median age at first event (years) 28.72 32.96 22.62

-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_ACANTHNIGRICANS – Acanthosis nigricans

GWS hits: 1

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