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Ingemar Persson

Researcher at Karolinska Institutet

Publications -  150
Citations -  18453

Ingemar Persson is an academic researcher from Karolinska Institutet. The author has contributed to research in topics: Breast cancer & Population. The author has an hindex of 60, co-authored 150 publications receiving 17438 citations. Previous affiliations of Ingemar Persson include Harvard University & McMaster University.

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Breast cancer and hormone replacement therapy: collaborative reanalysis of data from 51 epidemiological studies of 52 705 women with breast cancer and 108 411 women without breast cancer

Eugenia E. Calle, +194 more
- 11 Oct 1997 - 
TL;DR: Of the many factors examined that might affect the relation between breast cancer risk and use of HRT, only a woman's weight and body-mass index had a material effect: the increase in the relative risk of breast cancer diagnosed in women using HRT and associated with long durations of use in current and recent users was greater for women of lower than of higher weight or body- mass index.
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Alcohol, tobacco and breast cancer - Collaborative reanalysis of individual data from 53 epidemiological studies, including 58 515 women with breast cancer and 95 067 women without the disease

Nobuyuki Hamajima, +219 more
TL;DR: In conclusion, smoking has little or no independent effect on the risk of developing breast cancer; the effect of alcohol on breast cancer needs to be interpreted in the context of its beneficial effects, in moderation, on cardiovascular disease and its harmful effects on cirrhosis.
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Menarche, menopause, and breast cancer risk: Individual participant meta-analysis, including 118 964 women with breast cancer from 117 epidemiological studies

Nobuyuki Hamajima, +292 more
- 01 Nov 2012 - 
TL;DR: The effects of menarche and menopause on breast cancer risk might not be acting merely by lengthening women's total number of reproductive years, and endogenous ovarian hormones are more relevant for oestrogen receptor-positive disease than for ostrogens receptor-negative disease and for lobular than for ductal tumours.
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The relation between survival and age at diagnosis in breast cancer.

TL;DR: The relation between age at diagnosis and relative survival (ratio of observed to expected survival) in 57,068 women in Sweden in whom breast cancer was diagnosed in 1960 to 1978 is analyzed to provide a better understanding of the natural history of breast cancer in women.