Journal
CLIMACTERIC
Volume 18, Issue 6, Pages 852-858Publisher
TAYLOR & FRANCIS LTD
DOI: 10.3109/13697137.2015.1071346
Keywords
BREAST CANCER; METABOLIC SYNDROME; POSTMENOPAUSAL; CASE-CONTROL STUDY; CHINA
Categories
Funding
- Fundamental Research Funds for the Central Universities [lzujbky-2014-154]
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ObjectiveTo determine whether metabolic syndrome (MetS) and its components are risk factors for breast cancer among postmenopausal women in China.MethodsBased on the baseline data of the Jinchang Cohort, a case-control study was carried out among postmenopausal women, including 43 cases and 86 controls. Both MetS and its components were evaluated. Odds ratios and 95% confidence intervals (CI) for the association were estimated by conditional logistic regression analysis.ResultsThe odds ratio of postmenopausal breast cancer was 3.505 (95% CI 1.282-9.583) for MetS, 3.016 (95% CI 1.044-8.715) for body mass index (BMI)25kg/m(2), and 3.191 (95% CI 1.253-8.125) for dyslipidemia. There was no significant association between postmenopausal breast cancer and hypertension as well as diabetes. Women with four metabolic factors showed greater risk for postmenopausal breast cancer (p(trend)<0.05). Dyslipidemia and BMI25kg/m(2) showed most significant interaction on breast cancer (odds ratio=11.359; 95% CI 2.663-48.450). With BMI25kg/m(2), the interaction of dyslipidemia and other metabolic factors on breast cancer was higher than that without BMI25kg/m(2).ConclusionThis case-control study suggested that MetS was associated with an elevated risk of breast cancer among postmenopausal women in north-west China. Overweight and dyslipidemia had the strongest adverse effects on postmenopausal breast cancer.
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