Cancer causes & control : CCC · 2016
Disparities in time trends of cervical cancer mortality rates in Brazil.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Vale Diama Bhadra, Sauvaget Catherine, Muwonge Richard, Ferlay Jacques, Zeferino Luiz Carlos, Murillo Raul, Sankaranarayanan Rengaswamy
Аннотация
PURPOSE: This study aimed to correct and describe cervical cancer mortality rates and trends by regions and age-groups in Brazil. It may help planning and implementing policies for cervical cancer control.
METHODS: Data from 2003 to 2012 were accessed through the centralized national mortality database. Correction of the age-specific mortality rates was done by proportional redistribution of ill-defined causes of death and deaths coded as 'uterine, part unspecified'. Annual percentage change (APC) was obtained by trend analysis (Joinpoint regression).
RESULTS: In the 10-year period, cancer and ill-defined causes corresponded, respectively, to 18.9 and 10.8 % of all deaths (except injuries). The proportion of ill-defined causes was reduced by more than a half in the period. The age-standardized cervical cancer mortality rate was 7.2 per 100,000 women-years after correction. The total increase in rates after corrections was 50.5 %. A significant decreasing trend in rates was observed at the national level (APC = -0.17, p < 0.001). North was the only region that did not show a decreasing significant trend (APC + 0.07, p = 0.28). Decreasing trends were restricted to age-groups over 40 years.
CONCLUSIONS: A consistent decreasing trend of cervical cancer mortality rates in Brazil from 2003 to 2012 was observed, although this was not consistent in all regions and restricted to older age-groups. Quality of data needs to be improved. Cancer control policies may consider the differences in access to care and the characteristics of regions to improve their efficiency.
METHODS: Data from 2003 to 2012 were accessed through the centralized national mortality database. Correction of the age-specific mortality rates was done by proportional redistribution of ill-defined causes of death and deaths coded as 'uterine, part unspecified'. Annual percentage change (APC) was obtained by trend analysis (Joinpoint regression).
RESULTS: In the 10-year period, cancer and ill-defined causes corresponded, respectively, to 18.9 and 10.8 % of all deaths (except injuries). The proportion of ill-defined causes was reduced by more than a half in the period. The age-standardized cervical cancer mortality rate was 7.2 per 100,000 women-years after correction. The total increase in rates after corrections was 50.5 %. A significant decreasing trend in rates was observed at the national level (APC = -0.17, p < 0.001). North was the only region that did not show a decreasing significant trend (APC + 0.07, p = 0.28). Decreasing trends were restricted to age-groups over 40 years.
CONCLUSIONS: A consistent decreasing trend of cervical cancer mortality rates in Brazil from 2003 to 2012 was observed, although this was not consistent in all regions and restricted to older age-groups. Quality of data needs to be improved. Cancer control policies may consider the differences in access to care and the characteristics of regions to improve their efficiency.