Estimating influenza‐associated mortality in New Zealand from 1990 to 2008

This study used Poisson regression modelling to estimate influenza‐associated mortality in New Zealand for 1990–2008. Inputs were weekly numbers of deaths and influenza and RSV isolates. Seasonal influenza was associated with an average of 401 medical deaths annually from 1990 to 2008, a rate of 10·...

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Veröffentlicht in:	Influenza and other respiratory viruses 2015-01, Vol.9 (1), p.14-19
Hauptverfasser:	Kessaram, Tara, Stanley, James, Baker, Michael G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Aged Aged, 80 and over Analysis Confidence intervals Environmental science Estimates Fatalities Health aspects Health surveillance Humans Influenza Influenza A virus - isolation & purification Influenza B virus - isolation & purification Influenza, Human - mortality Influenza, Human - virology Laboratories Middle Aged Models, Statistical Mortality New Zealand - epidemiology Poisson density functions Population Public health Regression Analysis Respiratory diseases Respiratory syncytial virus Respiratory Syncytial Virus Infections - mortality Respiratory Syncytial Virus, Human - isolation & purification Short Statistical analysis statistical regression Time Factors Virology Viruses Young Adult
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Beschreibung
Zusammenfassung:	This study used Poisson regression modelling to estimate influenza‐associated mortality in New Zealand for 1990–2008. Inputs were weekly numbers of deaths and influenza and RSV isolates. Seasonal influenza was associated with an average of 401 medical deaths annually from 1990 to 2008, a rate of 10·6 (95% CI: 7·9, 13·3) per 100 000 persons per year, which is 17 times higher than recorded influenza deaths. The majority (86%) of deaths occurred in those 65 years and over. There was no clear decline in influenza‐associated mortality in this age group over the course of the study period.
ISSN:	1750-2640 1750-2659
DOI:	10.1111/irv.12292