Felty's syndrome: Felty syndrome (FS), also known as ''super rheumatoid'' disease, is a severe form of rheumatoid arthritis (RA), characterized by a triad of RA, splenomegaly and neutropenia, resulting in susceptibility to bacterial infections.
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.  | 
							
								 165  | 
						
								4. Check minimum number of eventsNone  | 
							165 | 
								5. Include endpointsNone  | 
							165 | 
										6. Filter based on genotype QC (FinnGen only) | 
									160 | 
Control definitions (FinnGen only)
					Control exclude
					RHEUMA_SEROPOS
				
			Extra metadata
					First used in FinnGen datafreeze
					DF2
				
				
					Parent code in ICD-10
					M05
				
				
					Name in latin
					Syndroma Felty
				
			Similar endpoints
↥List of similar endpoints to
		
Felty syndrome
	based on the number of shared cases.
		
		Broader endpoints:
	
- Seropositive rheumatoid arthritis
 - Polyarthropathies
 - Finngen Rheumatological endpoints
 - Arthropathies
 - Diseases of the musculoskeletal system and connective tissue
 
		
		Narrower endpoints:
	
None
Case counts by codes
↥Summary Statistics
↥-FinRegistry-
Key figures
| All | Female | Male | |
|---|---|---|---|
| Number of individuals | |||
| Whole population | 2047 | 1446 | 568 | 
| Only index persons | 1398 | 1042 | 356 | 
| Unadjusted period prevalence (%) | |||
| Whole population | 0.03 | 0.04 | 0.02 | 
| Only index persons | 0.03 | 0.04 | 0.01 | 
| Median age at first event (years) | |||
| Whole population | 66.27 | 66.71 | 64.83 | 
| Only index persons | 62.81 | 63.27 | 61.45 | 
-FinnGen-
Key figures
| All | Female | Male | |
|---|---|---|---|
| Number of individuals | 160 | 117 | 43 | 
| Unadjusted period prevalence (%) | 0.04 | 0.05 | 0.02 | 
| Median age at first event (years) | 59.27 | 58.47 | 61.45 | 
-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: FELTY – Felty syndrome
GWS hits: 2
                
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