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All influenza

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J10_INFLUENZA

influenza: An acute viral infection of the respiratory tract, occurring in isolated cases, in epidemics, or in pandemics; it is caused by serologically different strains of viruses (influenzaviruses) designated A, B, and C, has a 3-day incubation period, and usually lasts for 3 to 10 days. It is marked by inflammation of the nasal mucosa, pharynx, and conjunctiva; headache; myalgia; often fever, chills, and prostration; and occasionally involvement of the myocardium or central nervous system.

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Endpoint definition

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Endpoint definition steps

FinnGen

Phenotype data

429209

1. Apply sex-specific rule

None

429209

2. Check conditions

None

429209

3. Check pre-conditions, main-only, mode, registry filters

Registry filters:

  • Hospital discharge: ICD-10 — J09, J10, J11
  • Hospital discharge: ICD-9 — 487
  • Hospital discharge: ICD-8 — 47[0-4]
  • Cause of death: ICD-10 — J09, J10, J11
  • Cause of death: ICD-9 — 487
  • Cause of death: ICD-8 — 47[0-4]

2 out of 7 registries used, show all original rules.

9592

4. Check minimum number of events

None

9592

5. Include endpoints

None

9592

6. Filter based on genotype QC (FinnGen only)

9204

Control definitions (FinnGen only)

Control exclude J10_INFLUPNEU

Extra metadata

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

Case counts by codes

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FinnGen case counts by registry codes:

generic upset plot

Upset plot

Full data table

Summary Statistics

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-FinRegistry-

Key figures

All Female Male
Number of individuals
Whole population 126708 55538 70517
Only index persons 106944 46476 60468
Unadjusted period prevalence (%)
Whole population 1.80 1.59 1.97
Only index persons 2.05 1.71 2.31
Median age at first event (years)
Whole population 36.68 54.64 22.36
Only index persons 36.71 54.53 23.02

-FinnGen-

Key figures

All Female Male
Number of individuals 9204 4156 5048
Unadjusted period prevalence (%) 2.34 1.80 2.78
Median age at first event (years) 54.99 55.94 54.22

-FinRegistry-

Age distribution of first events

-FinnGen-

Age distribution of first events

-FinRegistry-

Year distribution of first events

-FinnGen-

Year distribution of first events

-FinRegistry-

Cumulative Incidence Function

-FinnGen-

Cumulative Incidence Function

Mortality – FinRegistry

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Relationships between endpoints

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Index endpoint: J10_INFLUENZA – All influenza

GWS hits: 1

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