A population based time series analysis of asthma hospitalisations in Ontario, Canada: 1988 to 2000

BackgroundAsthma is a common yet incompletely understood health problem associated with a high morbidity burden. A wide variety of seasonally variable environmental stimuli such as viruses and air pollution are believed to influence asthma morbidity. This study set out to examine the seasonal patterns of asthma hospitalisations in relation to age and gender for the province of Ontario over a period of 12 years.MethodsA retrospective, …