All 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.

Endpoint definition

Name J10_INFLUENZA
Long name All influenza
Hospital Discharge registry ICD-10: J11/J10/J09, ICD-9: 487, ICD-8: 47[0-4]
Cause of Death registry ICD-10: J11/J10/J09, ICD-9: 487, ICD-8: 47[0-4]
Level in the ICD-hierarchy 3
First defined in version DF2

Summary Statistics

Key figures

All Female Male
Number of individuals 4262 1853 2409
Unadjusted prevalence (%) 1.96 1.51 2.56
Mean age at first event (years) 49.84 54.39 46.34
Case fatality at 5-years (%) 4.55 3.89 5.06

Longitudinal metrics

All Female Male
Median nb. of events per indiv. 1.0 1.0 1.0
Recurrence at 6 months (%) 2.70 3.18 2.32

Survival analyses between endpoints

Plot

before All influenza
after All influenza

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