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Eur J Epidemiol. 2003;18(8):793-800.

Prevalence, incidence and mortality of type 2 diabetes mellitus revisited: a prospective population-based study in The Netherlands (ZODIAC-1).

Author information

1
Department of Family Practice, University of Groningen, Groningen. l.j.veltmaat@isala.nl

Abstract

BACKGROUND:

To present actual data to estimate prevalence, incidence and mortality of known type 2 diabetes mellitus in all age categories in The Netherlands.

METHODS:

Prospective population-based study between 1998 and 2000 in The Netherlands. Baseline population of 155,774 patients, registered with 61 general practitioners participating in the Zwolle Outpatient Diabetes project Integrating Available Care (ZODIAC)-study.

RESULTS:

Age- and sex-adjusted prevalence of type 2 diabetes was 2.2% at baseline and 2.9% after 2 years of follow-up; for women and men it was 3.1 and 2.7% at follow-up, respectively. Patients aged >70 years account for almost 50% of all type 2 diabetes patients. Age- and sex-adjusted mean annual incidence per 10,000 over 3 years was 22.7 overall; for women 23.1 and for men 22.2. Incidence--even though high--decreases after the age of 70 years. The mortality rate was 47.9/1000 and standardised mortality ratio 1.40. Based on these results, the estimated total number of subjects known with type 2 diabetes was 466,000 for The Netherlands in 2000; the number of patients with newly diagnosed diabetes 36,000.

CONCLUSIONS:

Prevalence and incidence rates exceed all estimates regarding known type 2 diabetes for The Netherlands. Elderly patients, aged 70 years and over, account for 50% of the type 2 diabetic population. These results are important for health-care planning.

PMID:
12974556
[Indexed for MEDLINE]

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