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. 1977 Aug;13(4):281-4.
doi: 10.1007/BF01223266.

Incidence, seasonal and geographical patterns of juvenile-onset insulin-dependent diabetes mellitus in Denmark

B Christau, H Kromann, O O Andersen, M Christy, K Buschard, K Arnung, I H Kristensen, B Peitersen, J Steinrud, J Nerup

Incidence, seasonal and geographical patterns of juvenile-onset insulin-dependent diabetes mellitus in Denmark

B Christau et al. Diabetologia. 1977 Aug.

Abstract

The incidence, sex, seasonal and geographical patterns of juvenile-onset insulin-dependent diabetes mellitus (j.i.d.m.) were studied retrospectively on one third of the Danish population 1970-1974. The j.i.d.m. incidence remained fairly constant during the study period, the average being 13.2 per 100000 per year. The total number of boys exceeded the number of girls by 27%. A marked peak of incidence was found at 12-14 years, earlier for females than for males. A seasonal variation in onset (diagnosis) of j.i.d.m. was observed with the lowest number of new cases in May-July. The j.i.d.m. incidence seemed to show socioeconomic differences, being highest in those parts of the survey area with lower status.

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