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

356077 individuals

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Apply sex-specific rule None


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Check conditions None


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Filter registries

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


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Check pre-conditions, main-only, mode, ICD version

Look only at ICD versions H.D: 10, 8, 9 ; C.O.D: 10, 8, 9


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Check minimum number of events None


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Include endpoints None


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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 16601 7772 8829
Unadjusted prevalence (%) 4.67 3.92 5.61
Mean age at first event (years) 65.36 64.46 66.15


Follow-up Absolute risk HR [95% CI] p N
1998–2019 0.04 2.26 [1.88, 2.72] 2.3e-18 3520
15 years 0.01 1.35 [1.17, 1.56] 4.5e-5 1581
5 years 0.00 2.59 [2.31, 2.90] 1.8e-60 1149
1 year - - - -

Age distribution of first events

Year distribution of first events

Cumulative Incidence


Index endpoint: I9_TIA – Transient ischemic attack
GWS hits:

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