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Semergen. 2014 May-Jun;40(4):177-82. doi: 10.1016/j.semerg.2013.10.005. Epub 2014 Feb 3.

[Incidence of childhood type I diabetes in Extremadura, Spain, 2003-2007].

[Article in Spanish]

Author information

1
Servicio de Endocrinología, Hospital Regional Universitario Infanta Cristina, Badajoz, España; Facultad de Medicina, Universidad de Extremadura, Badajoz, España.
2
Facultad de Medicina, Universidad de Extremadura, Badajoz, España.
3
Medicina de Familia, Centro de Salud de Talavera la Real, Talavera la Real, Badajoz, España; Cátedra de Medicina de Familia SEMERGEN, Facultad de Medicina, Universidad de Extremadura, Badajoz, España. Electronic address: jsvega@unex.es.

Abstract

BACKGROUND AND OBJECTIVES:

Studies have shown an increasing incidence of type I diabetes in children in Europe over the last 20 years. The present study was conducted to evaluate the incidence and development of type I diabetes in children under 15 years of age in Extremadura in the period 2003-2007.

MATERIAL AND METHODS:

The study applied the capture-recapture method using the national hospital discharge database as primary source. Data were collected from children under 15 years of age diagnosed with diabetes type I during the study period. Secondary data source were insulin prescriptions from the public health system. Rates were standardised and a Poisson regression was used to assess the development of the disease during the study period.

RESULTS:

The overall adjusted incidence rate was 25.2/100.000 (95%CI: 21.8-28.6) with 100% completeness; no significant differences were observed by sex or provinces. Age group rates were 20.2/100.000 (95%CI: 10.1-30.3) for aged 0-4 years, 24.8/100.000 (95%CI: 20.1-29.4) for aged 5-9 years, and 30.0/100.000 (95%CI: 25.8-34.1) for aged 10-14 years, with a RR of 1.67 (95%CI: 1.18-2.36; P=.004) for 10-14 year olds relative to 0-4 year olds. The number of cases among children aged 0-4 years increased from 5 cases in 2003 to 15 cases in 2006, although this increase was not significantly different.

CONCLUSION:

The overall rates of incidence of type I diabetes were higher than the expected incidence values in Extremadura. Careful surveillance is required to confirm the increased trend in the incidence of type I diabetes observed among children aged 0-4 years.

KEYWORDS:

Children; Diabetes tipo 1; Incidence; Incidencia; Infantil; Tendencia; Trend; Type I diabetes

PMID:
24503169
DOI:
10.1016/j.semerg.2013.10.005
[Indexed for MEDLINE]

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