Juvenile dermatomyositis


juvenile dermatomyositis: Juvenile dermatomyositis (JDM) is the early-onset form of dermatomyositis (DM, see this term), a systemic, autoimmune inflammatory muscle disorder, characterized by proximal muscle weakness, evocative skin lesion, and systemic manifestations.

Endpoint definition

FinnGen phenotype data

321302 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 M33.0
Hospital discharge: ICD-9 7103A
Hospital discharge: ICD-8 $!$
Cause of death: ICD-10 M33.0
Cause of death: ICD-9 7103A
Cause of death: ICD-8 $!$


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

Look only at ICD versions H.D: 10, 8, 9 ; C.O.D: 10, 8, 9


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Check minimum number of events None


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Include endpoints None


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Extra metadata

Level in the ICD hierarchy 4
First used in FinnGen datafreeze DF2
Parent code in ICD-10 M33
Name in latin Dermatomyositis juvenilis

Summary Statistics

Key figures

All Female Male
Number of individuals 33 20 13
Unadjusted prevalence (%) 0.01 0.01 0.01
Mean age at first event (years) 31.43 25.38 40.74


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: M13_JUVDERMATOMYO – Juvenile dermatomyositis
GWS hits:

Survival analyses between endpoints


before Juvenile dermatomyositis
after Juvenile dermatomyositis

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Drugs most likely to be purchased after Juvenile dermatomyositis