Lichen planus

lichen planus: A lichen disease that is located_in skin, located_in tongue or located_in oral mucosa, which presents itself in the form of papules, lesions or rashes. The cause is not known.

Endpoint definition

FinnGen phenotype data
diagram bullet diagram downward connector

Filter registries Inpat., Oupat., Death

Hospital Discharge: ICD-10 L43
Hospital discharge: ICD-9 6970A
Hospital discharge: ICD-8 6970
Cause of death: ICD-10 L43
Cause of death: ICD-9 6970A
Cause of death: ICD-8 6970

Check pre-conditions None

Include endpoints None

Check conditions None

Apply sex-specific rule None

diagram downward connector L12_LICHENPLANUS

Extra metadata

Tags #L12
Level in the ICD hierarchy 3
First used in FinnGen datafreeze DF2
Parent code in ICD-10 L40-L45
Name in latin Lichen planus

Summary Statistics

Key figures

All Female Male
Number of individuals 2243 1470 773
Unadjusted prevalence (%) 0.86 1.00 0.68
Mean age at first event (years) 56.31 56.86 55.25

Mortality

Follow-up Absolute risk HR [95% CI] p N
1998–2019 0.02 1.48 [0.95, 2.31] 8.3e-2 155
15 years 0.01 1.69 [1.13, 2.52] 1.0e-2 128
5 years 0.00 2.49 [1.65, 3.77] 1.5e-5 43
1 year - - - -

First-event year distribution

Cumulative:

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We have automatically detected a substantial increase of the number of events in 1998 due to the inclusion of the outpatient register.

First-event age distribution

Correlations

Index endpoint: L12_LICHENPLANUS – Lichen planus
GWS hits: 13

Survival analyses between endpoints

Plot

before Lichen planus
after Lichen planus

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