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Από μήνυμα του Medicus σε άλλο σημείο του φόρουμ:
Int J Epidemiol. 2011 Oct 7. [Epub ahead of print]
Metabolic risk factors and ovarian cancer in the Metabolic Syndrome and Cancer project.
Bjørge T, Lukanova A, Tretli S, Manjer J, Ulmer H, Stocks T, Selmer R, Nagel G, Almquist M, Concin H, Hallmans G, Jonsson H, Häggström C, Stattin P, Engeland A.
Source
Department of Public Health and Primary Health Care, University of Bergen, Bergen, Norway, Norwegian Institute of Public Health, Oslo/Bergen, Norway, Division of Cancer Epidemiology, German Cancer Research Center, Heidelberg, Germany, Cancer Registry of Norway, Institute of Population-based Cancer Research, Montebello, Oslo, Norway, Department of Surgery, Malmö University Hospital, Lund University, Malmö, Sweden, Department of Medical Statistics, Informatics and Health Economics, Innsbruck Medical University, Innsbruck, Austria, Department of Surgical and Perioperative Sciences, Urology and Andrology, Umeå University, Umeå, Sweden, Institute of Epidemiology, Ulm University, Ulm, Germany, Department of Surgery, Lund University Hospital, Lund University, Malmö, Ulm, Sweden, Agency for Preventive- and Social Medicine, Bregenz, Austria, Department of Public Health and Clinical Medicine, Nutritional Research, Umeå University, Umeå, Sweden and Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden.
Abstract
BACKGROUND: No studies have so far evaluated the impact of the metabolic syndrome (MetS) as an entity on ovarian cancer risk. The authors aimed to examine the association between factors in the MetS, individually and combined, and risk of ovarian cancer incidence and mortality.
METHODS: Altogether, 290 000 women from Austria, Norway and Sweden were enrolled during 1974-2005, with measurements taken of height, weight, blood pressure and levels of glucose, cholesterol and triglycerides. Relative risks (RRs) of ovarian cancer were estimated using Cox regression for each MetS factor in quintiles and for standardized levels (z-scores), and for a composite z-score for the MetS. RRs were corrected for random error in measurements.
RESULTS: During follow-up, 644 epithelial ovarian cancers and 388 deaths from ovarian cancer were identified. There was no overall association between MetS and ovarian cancer risk. Increasing levels of cholesterol [RR 1.52, 95% confidence interval (95% CI) 1.01-2.29, per 1-U increment of z-score] and blood pressure (RR 1.79, 95% CI 1.12-2.86) conferred, however, increased risks of mucinous and endometrioid tumours, respectively. In women below the age of 50 years, there was increased risk of ovarian cancer mortality for MetS (RR 1.52, 95% CI 1.00-2.30). Increasing levels of BMI (RR 1.17, 95% CI 1.01-1.37) conferred increased risk of ovarian cancer mortality in women above the age of 50 years.
CONCLUSION: There was no overall association between MetS and ovarian cancer risk. However, increasing levels of cholesterol and blood pressure increased the risks of mucinous and endometrioid tumours, respectively. Increasing levels of BMI conferred an increased risk of ovarian cancer mortality in women above the age of 50 years.