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Titolo	Trends in diabete prevalence, incidence, and mortality in Ontario, Canada 1995-2005: a population-based study
Autore	L.L. Lipscombe, J.E. Hux
Referenza	The Lancet 2007; 369: 750-756
Contenuto	Background The prevalence of diabetes has been increasing greatly, but WHO?s predicted 39% rise in the global rate of diabetes from 2000 to 2030 might be an underestimate. We aimed to assess diabetes trends in Ontario, Canada. Methods Using population-based data, including a validated diabetes database from the province of Ontario, Canada, we examined trends in diabetes prevalence and mortality from 1995 to 2005, and incidence from 1997 to 2003, in adults aged 20 years or older. Findings Age-adjusted and sex-adjusted diabetes prevalence increased by 69%, from 5·2% in a population of 7 908 562 in 1995 to 8·8% of 9 276 945 in 2005. Prevalence increased by 27% from 6·9% in a population of 8 457 720 in 2000 to 8·8% of 9 276 945 in 2005. Although prevalence rates have remained higher in people aged 50 years or older (7·1% of 3 675 554) than in those aged 20-49 years (3·5% of 5 601 391), rates increased to a greater extent in the younger population (94% vs 63%, p<0·0001). A 31% increase occurred in yearly incidence over 6 years, from 6·6 per 1000 in 1997 to 8·2 per 1000 in 2003. The adjusted mortality rate in people with diabetes fell by 25% from 1995 to 2005. Interpretation The prevalence of diabetes in Ontario, Canada increased substantially during the past 10 years, and by 2005 already exceeded the global rate that was predicted for 2030. This increase in prevalence is attributable to both rising incidence and declining mortality. Eff ective public-health interventions aimed at diabetes prevention are needed, as well as improved resources to manage the greater number of people living longer with the disease.
Data	26.03.2007

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