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Brazilian Journal of Medical and Biological Research

On-line version ISSN 1414-431X

Abstract

LISBOA, H.R.K.; GRAEBIN, R.; BUTZKE, L.  and  RODRIGUES, C.S.. Incidence of type 1 diabetes mellitus in Passo Fundo, RS, Brazil. Braz J Med Biol Res [online]. 1998, vol.31, n.12, pp. 1553-1556. ISSN 1414-431X.  http://dx.doi.org/10.1590/S0100-879X1998001200007.

To establish the incidence of type 1 diabetes among children (infants to 14 years of age) in the city of Passo Fundo, Rio Grande do Sul, Brazil (population under 15 years = 50,098), during the period of January to December 1996, a retrospective and prospective population-based registry was established, using physician reports of newly diagnosed patients under 15 years of age with type 1 diabetes as the primary source of case identification. Primary and nursery schools and a general call through the media (newspapers, radio and television) was the secondary source. Data were calculated according to the methods recommended by the WHO (1990). Six new cases were identified. Case ascertainment was estimated at 100%. The incidence of type 1 diabetes in the year 1996 was 12/100,000 inhabitants. These data indicate that the incidence of childhood type 1 diabetes in a subtropical region in the Southern part of Brazil was similar to that observed in developed countries throughout the world. The inability to demonstrate the North-South gradient is probably due to the European origin of inhabitants of the city.

Keywords : diabetes; type 1 diabetes; diabetes incidence.

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