estimation of the change of ovarian cancer incidence in kazakhstan: component analysis of its dynamics with the consideration of ethnic features

Background: we examined epidemiological aspects of dynamic changes in incidence of ovarian cancer in women of kazakh and russian nationalities in kazakhstan. methods: the material of investigation was primary data on registered patients with malignant ovarian tumors in the whole country. the study was conducted during the period of 1999-2009. evaluation of changes in ovarian cancer incidence in the female population of kazakhstan was performed using component analysis. results: the number of patients with ovarian cancer in the whole country is increasing. this increase is due to several major reasons, including population growth (all females – δp=+22.1%, females of kazakh nationality – δp=+46.0% and females of russian nationality – δp=−259.3%), changes in the age structure (all females – δa=+32.7%, females of kazakh nationality – δa=+27.1 and females of russian nationality – δa=+130.8),and changes in risks of developing the disease (all females – δr=+36.0%, females of kazakh nationality – δr=+13.1% and females of russian nationality – δr=+246.8%). conclusion: this investigation was the first epidemiological study of dynamics of ovarian cancer by component anal-ysis in women of kazakh and russian nationalities in kazakhstan. implementation of the results of the study is rec-ommended in management of anti-cancer activities for ovarian cancer.