Transient ischemic attack

transient ischemic attack: A brief attack (from a few minutes to an hour) of cerebral dysfunction of vascular origin, with no persistent neurological deficit.

Endpoint definition

FinnGen phenotype data
diagram bullet diagram downward connector

Filter registries Inpat., Oupat., Death

Hospital Discharge: ICD-10 G45
Hospital discharge: ICD-9 435
Hospital discharge: ICD-8 435
Hospital discharge: excluded ICD-10 G45.4
Cause of death: ICD-10 G45
Cause of death: ICD-9 435
Cause of death: ICD-8 435
Cause of death: excluded ICD-10 G45.4

Check pre-conditions None

Include endpoints None

Check conditions None

Apply sex-specific rule None

diagram downward connector I9_TIA

Extra metadata

First used in FinnGen datafreeze DF2
Parent code in ICD-10 G40-G47
Name in latin Ischaemia cerebri transitoria et syndomata cognata

Summary Statistics

Key figures

All Female Male
Number of individuals 10825 5355 5470
Unadjusted prevalence (%) 4.16 3.64 4.84
Mean age at first event (years) 64.53 64.16 64.90


Follow-up Absolute risk HR [95% CI] p N
1998–2019 0.04 2.72 [2.27, 3.27] 5.8e-27 2141
15 years 0.02 3.11 [2.69, 3.58] 6.0e-55 1929
5 years 0.00 4.19 [3.71, 4.74] <1e-100 917
1 year 0.00 5.54 [4.62, 6.63] 3.4e-77 251


Index endpoint: I9_TIA – Transient ischemic attack
GWS hits: 0

Survival analyses between endpoints


before Transient ischemic attack
after Transient ischemic attack

loading spinner Loading survival analyses plot

Drugs most likely to be purchased after Transient ischemic attack