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. 1990 Jan;61(1):120–122. doi: 10.1038/bjc.1990.24

Rising incidence of breast cancer among young women in Sweden.

J Ranstam 1, L Janzon 1, H Olsson 1
PMCID: PMC1971321  PMID: 2297482

Abstract

The national Swedish cancer registry was used to analyse the age-specific time trends in breast cancer incidence in Sweden from 1970 to 1984. The analysis included both a calendar year and a birth cohort approach to estimate time trends in disease occurrence. According to the birth cohort approach there was a statistically significant increase in the incidence with an average annual increase of the incidence of 3.2% (P = 0.0114), 3.4% (P = 0.0002) and 2.2% (P = 0.0264) in the age groups 25-29, 30-34 and 35-39, respectively. Possible causes of the observed increasing incidence are discussed.

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Selected References

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