Reactive arthropathies

reactive arthritis: Reactive arthritis (ReA) is an autoimmune disorder belonging to the group of seronegative spondyloarthropathies and is characterized by the classic triad of arthritis, urethritis and conjunctivitis.

Endpoint definition

FinnGen phenotype data
diagram bullet diagram downward connector

Filter registries Inpat., Oupat., Death

Hospital Discharge: ICD-10 M02, M03*
Hospital discharge: ICD-9 7111|7115|7118|713
Hospital discharge: ICD-8 71490
Cause of death: ICD-10 M02, M03*
Cause of death: ICD-9 7111|7115|7118|713
Cause of death: ICD-8 71490

Check pre-conditions None

Include endpoints None

Check conditions None

Apply sex-specific rule None

diagram downward connector M13_REACTARTH

Extra metadata

Level in the ICD hierarchy 3
First used in FinnGen datafreeze DF2

Summary Statistics

Key figures

All Female Male
Number of individuals 1854 1030 824
Unadjusted prevalence (%) 0.71 0.70 0.73
Mean age at first event (years) 43.21 42.00 44.72


Follow-up Absolute risk HR [95% CI] p N
1998–2019 0.03 1.72 [1.13, 2.64] 1.2e-2 126
15 years 0.01 1.80 [1.13, 2.86] 1.3e-2 92
5 years 0.00 3.04 [1.89, 4.90] 4.7e-6 35
1 year - - - -


Index endpoint: M13_REACTARTH – Reactive arthropathies
GWS hits: 7

Survival analyses between endpoints


before Reactive arthropathies
after Reactive arthropathies

loading spinner Loading survival analyses plot

Drugs most likely to be purchased after Reactive arthropathies