Cicatricial alopecia [scarring hair loss]



Endpoint definition

FinnGen phenotype data

356077 individuals

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Apply sex-specific rule None


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Check conditions None


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Filter registries

Hospital Discharge: ICD-10 L66
Cause of death: ICD-10 L66


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

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


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Check minimum number of events None


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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 cicatrisans

Similar endpoints

List of similar endpoints to Cicatricial alopecia [scarring hair loss] based on the number of shared cases.

Venn diagram with an highlighted set fully inside another set Broader endpoints:

Venn diagram with a set fully inside an highlighted set Narrower endpoints:

Show all endpoint correlations

Summary Statistics

Key figures

All Female Male
Number of individuals 164 120 44
Unadjusted prevalence (%) 0.05 0.06 0.03
Mean age at first event (years) 52.21 55.62 42.91


Follow-up Absolute risk HR [95% CI] p N
1998–2019 - - - -
15 years - - - -
5 years - - - -
1 year - - - -

Age distribution of first events

Year distribution of first events

Cumulative Incidence


Index endpoint: L12_HAIRLOSSSCAR – Cicatricial alopecia [scarring hair loss]
GWS hits:

Survival analyses between endpoints


before Cicatricial alopecia [scarring hair loss]
after Cicatricial alopecia [scarring hair loss]

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Drugs most likely to be purchased after Cicatricial alopecia [scarring hair loss]