Type 2 Diabetes, Medication-induced Diabetes, and Monogenic Diabetes in Canadian Children: a Prospective National Surveillance Study

Overview

Journal Diabetes Care

Specialty Endocrinology

Date 2010 Jan 14

PMID 20067956

Citations 89

Authors

Shazhan Amed

Heather J Dean

Constadina Panagiotopoulos

Elizabeth A C Sellers

Stasia Hadjiyannakis

Tessa A Laubscher

David Dannenbaum

Baiju R Shah

Gillian L Booth

Jill K Hamilton

Affiliations

Soon will be listed here.

Abstract

Objective: To determine in Canadian children aged <18 years the 1) incidence of type 2 diabetes, medication-induced diabetes, and monogenic diabetes; 2) clinical features of type 2 diabetes; and 3) coexisting morbidity associated with type 2 diabetes at diagnosis.

Research Design And Methods: This Canadian prospective national surveillance study involved a network of pediatricians, pediatric endocrinologists, family physicians, and adult endocrinologists. Incidence rates were calculated using Canadian Census population data. Descriptive statistics were used to illustrate demographic and clinical features.

Results: From a population of 7.3 million children, 345 cases of non-type 1 diabetes were reported. The observed minimum incidence rates of type 2, medication-induced, and monogenic diabetes were 1.54, 0.4, and 0.2 cases per 100,000 children aged <18 years per year, respectively. On average, children with type 2 diabetes were aged 13.7 years and 8% (19 of 227) presented before 10 years. Ethnic minorities were overrepresented, but 25% (57 of 227) of children with type 2 diabetes were Caucasian. Of children with type 2 diabetes, 95% (206 of 216) were obese and 37% (43 of 115) had at least one comorbidity at diagnosis.

Conclusions: This is the first prospective national surveillance study in Canada to report the incidence of type 2 diabetes in children and also the first in the world to report the incidence of medication-induced and monogenic diabetes. Rates of type 2 diabetes were higher than expected with important regional variation. These results support recommendations that screening for comorbidity should occur at diagnosis of type 2 diabetes.

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