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
↥
						Endpoint definition steps | 
					
						FinnGen | 
				
|---|---|
						Phenotype data | 
					429209 | 
								1. Apply sex-specific ruleNone  | 
							429209 | 
								2. Check conditionsNone  | 
							429209 | 
								3. Check pre-conditions, main-only, mode, registry filtersNone 0 out of 7 registries used, show all original rules.  | 
							
								 0  | 
						
								4. Check minimum number of eventsNone  | 
							0 | 
								5. Include endpoints | 
							446 | 
										6. Filter based on genotype QC (FinnGen only) | 
									430 | 
Control definitions (FinnGen only)
					Control exclude
					RHEUMA_ENDPOINTS
				
			Extra metadata
					First used in FinnGen datafreeze
					DF2
				
			Similar endpoints
↥List of similar endpoints to
		
Dermatopolymyositis (FG)
	based on the number of shared cases.
		
		Broader endpoints:
	
- Systemic connective tissue disorders
 - Autoimmune diseases related-to ILD
 - Finngen Rheumatological endpoints
 - Autoimmune diseases
 - Used for control exclusion in common control thyroid runs
 
		
		Narrower endpoints:
	
Case counts by codes
↥Summary Statistics
↥-FinRegistry-
Key figures
| All | Female | Male | |
|---|---|---|---|
| Number of individuals | |||
| Whole population | 3476 | 2143 | 1288 | 
| Only index persons | 2514 | 1586 | 928 | 
| Unadjusted period prevalence (%) | |||
| Whole population | 0.05 | 0.06 | 0.04 | 
| Only index persons | 0.05 | 0.06 | 0.04 | 
| Median age at first event (years) | |||
| Whole population | 59.02 | 59.14 | 58.69 | 
| Only index persons | 55.63 | 55.68 | 55.54 | 
-FinnGen-
Key figures
| All | Female | Male | |
|---|---|---|---|
| Number of individuals | 430 | 266 | 164 | 
| Unadjusted period prevalence (%) | 0.11 | 0.12 | 0.09 | 
| Median age at first event (years) | 55.58 | 54.09 | 58.00 | 
-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
↥Relationships between endpoints
↥Index endpoint: DERMATOPOLY_FG – Dermatopolymyositis (FG)
GWS hits: 2
                
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