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.  | 
							
								 6872  | 
						
								4. Check minimum number of eventsNone  | 
							6872 | 
								5. Include endpointsNone  | 
							6872 | 
										6. Filter based on genotype QC (FinnGen only) | 
									6693 | 
Control definitions (FinnGen only)
					Control exclude
					STILL_ADULT
				
			Extra metadata
					First used in FinnGen datafreeze
					DF2
				
				
					Parent code in ICD-10
					M05-M14
				
				
					Name in latin
					Alia arthritis rheumatoides
				
			Similar endpoints
↥List of similar endpoints to
		
Other (seronegative) rheumatoid arthritis, wide
	based on the number of shared cases.
		
		Broader endpoints:
	
- Diseases of the musculoskeletal system and connective tissue
 - Any event in hilmo or specialist outpatient
 
		
		Narrower endpoints:
	
Case counts by codes
↥Summary Statistics
↥-FinRegistry-
Key figures
| All | Female | Male | |
|---|---|---|---|
| Number of individuals | |||
| Whole population | 60222 | 41926 | 17806 | 
| Only index persons | 48566 | 34272 | 14294 | 
| Unadjusted period prevalence (%) | |||
| Whole population | 0.99 | 1.20 | 0.50 | 
| Only index persons | 1.05 | 1.26 | 0.55 | 
| Median age at first event (years) | |||
| Whole population | 63.04 | 62.92 | 63.16 | 
| Only index persons | 59.79 | 59.42 | 60.66 | 
-FinnGen-
Key figures
| All | Female | Male | |
|---|---|---|---|
| Number of individuals | 6693 | 4545 | 2148 | 
| Unadjusted period prevalence (%) | 1.72 | 1.97 | 1.18 | 
| Median age at first event (years) | 56.28 | 53.95 | 61.20 | 
-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: RHEUMA_OTHER_WIDE – Other (seronegative) rheumatoid arthritis, wide
GWS hits: 5
                
                Loading Relationships table