Influenza and pneumonia hospitalizations in Ontario: a time-series analysis
Open Access
- 1 April 2004
- journal article
- research article
- Published by Cambridge University Press (CUP) in Epidemiology and Infection
- Vol. 132 (6) , 1167-1174
- https://doi.org/10.1017/s0950268804002924
Abstract
A comprehensive examination of gender and age-specific influenza and pneumonia hospitalization seasonality is currently lacking. Using population-based data for Ontario, Canada between April 1988 and March 2002 (n=339803 hospitalizations), findings from this study revealed clear seasonality [Fisher's Kappa (FK) test=68·64, PPRautoreg2=0·97) and females aged 10–19 years, the weakest (Rautoreg2=0·59). Gender differences were most pronounced in the oldest age groups (80+ years) where females had an average annualized peak rate of 250/100000 compared to 400/100000 for males. These findings can contribute to more population-specific prevention strategies and effective resource and service allocation based on seasonal and specific population demands.Keywords
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