rheumatoid arthritis: A chronic, systemic autoimmune disorder characterized by inflammation in the synovial membranes and articular surfaces. It manifests primarily as a symmetric, erosive polyarthritis that spares the axial skeleton and is typically associated with the presence in the serum of rheumatoid factor.
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 filtersRegistry filters: 
 2 out of 7 registries used, show all original rules.  | 
							
								 14002  | 
						
								4. Check minimum number of eventsNone  | 
							14002 | 
								5. Include endpointsNone  | 
							14002 | 
										6. Filter based on genotype QC (FinnGen only) | 
									13620 | 
Control definitions (FinnGen only)
					Control exclude
					M13_ARTHROPATHIES
				
			Extra metadata
					Level in the ICD hierarchy
					4
				
				
					First used in FinnGen datafreeze
					DF2
				
			Similar endpoints
↥List of similar endpoints to
		
Rheumatoid arthritis
	based on the number of shared cases.
		
		Broader endpoints:
	
- Rheumatoid arthritis , including avohilmo
 - Polyarthropathies
 - Autoimmune diseases
 - Used for control exclusion in common control thyroid runs
 - Arthropathies
 
		
		Narrower endpoints:
	
Case counts by codes
↥Summary Statistics
↥-FinRegistry-
Key figures
| All | Female | Male | |
|---|---|---|---|
| Number of individuals | |||
| Whole population | 122129 | 82772 | 38172 | 
| Only index persons | 94097 | 65400 | 28697 | 
| Unadjusted period prevalence (%) | |||
| Whole population | 1.95 | 2.37 | 1.07 | 
| Only index persons | 2.01 | 2.40 | 1.10 | 
| Median age at first event (years) | |||
| Whole population | 56.51 | 56.02 | 57.52 | 
| Only index persons | 54.66 | 54.03 | 56.10 | 
-FinnGen-
Key figures
| All | Female | Male | |
|---|---|---|---|
| Number of individuals | 13620 | 9151 | 4469 | 
| Unadjusted period prevalence (%) | 3.48 | 3.97 | 2.46 | 
| Median age at first event (years) | 53.25 | 51.29 | 57.26 | 
-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: M13_RHEUMA – Rheumatoid arthritis
GWS hits: 25
                
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