Acute peritonitis


peritonitis: Inflammation of the peritoneum due to infection by bacteria or fungi. Causes include liver disease, perforation of the gastrointestinal tract or biliary tract, and peritoneal dialysis. Patients usually present with abdominal pain and tenderness, fever, chills, and nausea and vomiting. It is an emergency medical condition that requires prompt medical attention and treatment.

Endpoint definition

FinnGen phenotype data

321302 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 K65
Hospital discharge: ICD-9 567
Hospital discharge: ICD-8 567
Cause of death: ICD-10 K65
Cause of death: ICD-9 567
Cause of death: ICD-8 567


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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

Level in the ICD hierarchy 3
First used in FinnGen datafreeze DF2
Parent code in ICD-10 K65-K67
Name in latin Peritonitis

Summary Statistics

Key figures

All Female Male
Number of individuals 1432 608 824
Unadjusted prevalence (%) 0.46 0.35 0.61
Mean age at first event (years) 55.99 52.40 58.65


Follow-up Absolute risk HR [95% CI] p N
1998–2019 0.10 8.57 [4.99, 14.73] 7.7e-15 428
15 years 0.01 1.98 [1.19, 3.28] 8.5e-3 79
5 years 0.01 7.04 [4.96, 10.01] 1.3e-27 95
1 year - - - -

Age distribution of first events

Year distribution of first events

Cumulative Incidence


Index endpoint: K11_PERITONITIS – Acute peritonitis
GWS hits: 0

Survival analyses between endpoints


before Acute peritonitis
after Acute peritonitis

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Drugs most likely to be purchased after Acute peritonitis