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Breast cancer risk among women with psychiatric admission with affective or neurotic disorders: a nationwide cohort study in Denmark.
Br J Cancer. 1999 Nov; 81(5):907-11.BJ

Abstract

There is a considerable interest in the possible relationship between psychosocial factors and the onset of breast cancer. This cohort study was based upon two nationwide and population-based central registers: The Danish Psychiatric Central Register, which contains all cases of psychiatric admissions, and The Danish Cancer Registry, which contains all cases of cancer. The register-linkage was accomplished by using a personal identification number. The study population comprised all women admitted to psychiatric departments or psychiatric hospitals in Denmark between 1969 and 1993 with an affective or a neurotic disorder. Overall, 66,648 women comprising 199,910 admissions and 775,522 person-years were included. The incidence of breast cancer in the cohort was compared with the national breast cancer incidence rates adjusted for age and calendar time. In all, 1270 women with affective or neurotic disorders developed breast cancer subsequent to the first admission as compared with the 1242 women expected, standardized incidence ratio (SIR) = 1.02 (95% confidence interval 0.97-1.08). None of the hypothetical risk factors: type of diagnosis, age or calendar period at cohort entry, age at breast cancer, alcohol abuse, alcohol/drug abuse without further specification, total number of admissions, total length of admissions, or time from first admission showed a statistically significant effect on the relative risk of breast cancer. We found no support for the hypothesis that women admitted to a psychiatric department with an affective or a neurotic disorder subsequently have an increased risk of breast cancer.

Authors+Show Affiliations

Department of Surgery K, Copenhagen University Hospital Corporation, Bispebjerg Hospital, Denmark.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

10555767

Citation

Hjerl, K, et al. "Breast Cancer Risk Among Women With Psychiatric Admission With Affective or Neurotic Disorders: a Nationwide Cohort Study in Denmark." British Journal of Cancer, vol. 81, no. 5, 1999, pp. 907-11.
Hjerl K, Andersen EW, Keiding N, et al. Breast cancer risk among women with psychiatric admission with affective or neurotic disorders: a nationwide cohort study in Denmark. Br J Cancer. 1999;81(5):907-11.
Hjerl, K., Andersen, E. W., Keiding, N., Sawitz, A., Olsen, J. H., Mortensen, P. B., & Jørgensen, T. (1999). Breast cancer risk among women with psychiatric admission with affective or neurotic disorders: a nationwide cohort study in Denmark. British Journal of Cancer, 81(5), 907-11.
Hjerl K, et al. Breast Cancer Risk Among Women With Psychiatric Admission With Affective or Neurotic Disorders: a Nationwide Cohort Study in Denmark. Br J Cancer. 1999;81(5):907-11. PubMed PMID: 10555767.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Breast cancer risk among women with psychiatric admission with affective or neurotic disorders: a nationwide cohort study in Denmark. AU - Hjerl,K, AU - Andersen,E W, AU - Keiding,N, AU - Sawitz,A, AU - Olsen,J H, AU - Mortensen,P B, AU - Jørgensen,T, PY - 1999/11/11/pubmed PY - 1999/11/11/medline PY - 1999/11/11/entrez SP - 907 EP - 11 JF - British journal of cancer JO - Br J Cancer VL - 81 IS - 5 N2 - There is a considerable interest in the possible relationship between psychosocial factors and the onset of breast cancer. This cohort study was based upon two nationwide and population-based central registers: The Danish Psychiatric Central Register, which contains all cases of psychiatric admissions, and The Danish Cancer Registry, which contains all cases of cancer. The register-linkage was accomplished by using a personal identification number. The study population comprised all women admitted to psychiatric departments or psychiatric hospitals in Denmark between 1969 and 1993 with an affective or a neurotic disorder. Overall, 66,648 women comprising 199,910 admissions and 775,522 person-years were included. The incidence of breast cancer in the cohort was compared with the national breast cancer incidence rates adjusted for age and calendar time. In all, 1270 women with affective or neurotic disorders developed breast cancer subsequent to the first admission as compared with the 1242 women expected, standardized incidence ratio (SIR) = 1.02 (95% confidence interval 0.97-1.08). None of the hypothetical risk factors: type of diagnosis, age or calendar period at cohort entry, age at breast cancer, alcohol abuse, alcohol/drug abuse without further specification, total number of admissions, total length of admissions, or time from first admission showed a statistically significant effect on the relative risk of breast cancer. We found no support for the hypothesis that women admitted to a psychiatric department with an affective or a neurotic disorder subsequently have an increased risk of breast cancer. SN - 0007-0920 UR - https://www.unboundmedicine.com/medline/citation/10555767/Breast_cancer_risk_among_women_with_psychiatric_admission_with_affective_or_neurotic_disorders:_a_nationwide_cohort_study_in_Denmark_ L2 - https://doi.org/10.1038/sj.bjc.6690785 DB - PRIME DP - Unbound Medicine ER -