Tubal ligation and risk of ovarian cancer subtypes: a pooled analysis of case-control studies.
Abstract | BACKGROUND: METHODS: We pooled primary data from 13 population-based case-control studies, including 10,157 patients with ovarian cancer (7942 invasive; 2215 borderline) and 13,904 control women. Invasive cases were analysed by histological type, grade and stage, and borderline cases were analysed by histological type. Pooled odds ratios were estimated using conditional logistic regression to match on site, race/ethnicity and age categories, and to adjust for age, oral contraceptive use duration and number of full-term births. RESULTS:
Tubal ligation was associated with significantly reduced risks of invasive serous (OR, 0.81; 95% CI, 0.74-0.89; P < 0.001), endometrioid (OR, 0.48; 95% CI, 0.40-0.59; P < 0.001), clear cell (OR, 0.52; 95% CI, 0.40-0.67; P < 0.001) and mucinous (OR, 0.68; 95% CI, 0.52-0.89; P = 0.005) cancers. The magnitude of risk reduction was significantly greater for invasive endometrioid (P < 0.0001) and clear cell (P = 0.0018) than for serous cancer. No significant associations were found with borderline serous or mucinous tumours. CONCLUSIONS:
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Authors | Weiva Sieh, Shannon Salvador, Valerie McGuire, Rachel Palmieri Weber, Kathryn L Terry, Mary Anne Rossing, Harvey Risch, Anna H Wu, Penelope M Webb, Kirsten Moysich, Jennifer A Doherty, Anna Felberg, Dianne Miller, Susan J Jordan, Australian Cancer Study (Ovarian Cancer), Australian Ovarian Cancer Study Group, Marc T Goodman, Galina Lurie, Jenny Chang-Claude, Anja Rudolph, Susanne Krüger Kjær, Allan Jensen, Estrid Høgdall, Elisa V Bandera, Sara H Olson, Melony G King, Lorna Rodriguez-Rodriguez, Lambertus A Kiemeney, Tamara Marees, Leon F Massuger, Anne M van Altena, Roberta B Ness, Daniel W Cramer, Malcolm C Pike, Celeste Leigh Pearce, Andrew Berchuck, Joellen M Schildkraut, Alice S Whittemore, Ovarian Cancer Association Consortium |
Journal | International journal of epidemiology
(Int J Epidemiol)
Vol. 42
Issue 2
Pg. 579-89
(Apr 2013)
ISSN: 1464-3685 [Electronic] England |
PMID | 23569193
(Publication Type: Journal Article, Research Support, N.I.H., Extramural, Research Support, Non-U.S. Gov't, Research Support, U.S. Gov't, Non-P.H.S.)
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Topics |
- Adolescent
- Adult
- Aged
- Aged, 80 and over
- Case-Control Studies
- Female
- Humans
- Logistic Models
- Middle Aged
- Odds Ratio
- Ovarian Neoplasms
(classification, etiology, pathology)
- Registries
- Risk Factors
- Sterilization, Tubal
(adverse effects)
- Young Adult
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