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Schizophrenia and the risk for breast cancer
Susanne Oksbjerg Dalton1, Thomas Munk Laursen, Lene Mellemkjaer
1Danish Cancer Society, Institute of Cancer Epidemiology, Strandboulevarden 49, DK-2100, Copenhagen, Denmark.
Schizophrenia Research
|May 27, 2003
Abstract:
The authors investigated the risk for breast cancer in schizophrenia in a cohort of 1336313 Danish women born after 1935, including information on reproductive factors. In all, 7541 had been hospitalized for schizophrenia in 1970-1997 and the overall relative risk for breast cancer adjusted for age, period, age at first birth and number of births was not increased (RR, 0.91; 95% confidence interval, 0.71-1.12). Studies not taking parity into account may overestimate the risk for breast cancer in schizophrenic women.