Polyarthritis, unspecified

arthritis: An inflammatory process affecting a joint. Causes include infection, autoimmune processes, degenerative processes, and trauma. Signs and symptoms may include swelling around the affected joint and pain.

Endpoint definition

FinnGen phenotype data
diagram bullet diagram downward connector

Filter registries Inpat., Oupat., Death

Hospital Discharge: ICD-10 M13.0
Hospital discharge: ICD-9 7165
Hospital discharge: ICD-8 71107|71493
Cause of death: ICD-10 M13.0
Cause of death: ICD-9 7165
Cause of death: ICD-8 71107|71493

Check pre-conditions None

Include endpoints None

Check conditions None

Apply sex-specific rule None

diagram downward connector M13_POLYARTHRITIS

Extra metadata

Level in the ICD hierarchy 4
First used in FinnGen datafreeze DF2
Parent code in ICD-10 M13
Name in latin Polyarthritis NAS

Summary Statistics

Key figures

All Female Male
Number of individuals 643 382 261
Unadjusted prevalence (%) 0.25 0.26 0.23
Mean age at first event (years) 48.50 46.36 51.64


Follow-up Absolute risk HR [95% CI] p N
1998–2019 0.05 3.36 [1.87, 6.04] 5.4e-5 71
15 years 0.02 3.45 [1.89, 6.27] 5.2e-5 60
5 years 0.00 4.72 [2.37, 9.38] 9.5e-6 26
1 year - - - -


Index endpoint: M13_POLYARTHRITIS – Polyarthritis, unspecified
GWS hits: 0

Survival analyses between endpoints


before Polyarthritis, unspecified
after Polyarthritis, unspecified

loading spinner Loading survival analyses plot

Drugs most likely to be purchased after Polyarthritis, unspecified