Incidence and mortality rates in breast, corpus uteri, and ovarian cancers in Poland (1980–2013): an analysis of population-based data in relation to socio-economic changes
Authors Banas T, Juszczyk G, Pitynski K, Nieweglowska D, Ludwin A, Czerw A
Received 6 May 2016
Accepted for publication 6 July 2016
Published 7 September 2016 Volume 2016:9 Pages 5521—5530
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 3
Editor who approved publication: Professor Min Li
Tomasz Banas,1 Grzegorz Juszczyk,2 Kazimierz Pitynski,1 Dorota Nieweglowska,1 Artur Ludwin,1 Aleksandra Czerw2
1Department of Gynecology and Oncology, Jagiellonian University Medical College, Krakow, 2Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland
Objectives: This study aimed to analyze incidence and mortality trends in breast cancer (BC), corpus uteri cancer (CUC), and ovarian cancer (OC) in Poland in the context of sociodemographic changes.
Materials and methods: Incidence and mortality data (1980–2013) were retrieved from the Polish National Cancer Registry, while socioeconomic data (1960–2013) were obtained from the World Bank. Age-standardized incidence and mortality rates were calculated by direct standardization, and join-point regression was performed to describe trends using the average annual percentage change (AAPC).
Results: A significant decrease in birth and fertility rates and a large increase in gross domestic product were observed together with a decrease in the total mortality rate among women, as well as an increase in life expectancy for women. A large, significant increase in BC incidence was observed (AAPC1980–1990 2.14, AAPC1990–1996 4.71, AAPC1996–2013 2.21), with a small but significant decrease in mortality after a slight increase (AAPC1980–1994 0.52, AAPC1994–2013 −0.66). During the period 1980–2013, a significant increase in CUC incidence (AAPC1980–1994 3.7, AAPC1994–2013 1.93) was observed, with an initial mortality-rate reduction followed by a significant increase (AAPC1980–2006 −1.12, AAPC2006–2013 3.74). After the initial increase of both OC incidence and mortality from 1994, the incidence rate decreased significantly (AAPC1980–1994 2.98, AAPC1994–2013 −0.49), as did the mortality rate (AAPC1980–1994 0.52, AAPC1994–2013 −0.66).
Conclusion: After 1994, a decrease in OC incidence was found, while the incidence of BC and CUC continued to increase. A reduction in mortality rate was observed for BC and OC predominantly at the end of the study period, while for CUC, after a long decreasing mortality trend, a significant increase was observed.
Keywords: average annual percentage change, breast cancer, corpus uteri cancer, epidemiology, incidence, mortality, ovarian cancer
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