Mortality trends of breast and cervical cancer in Passo Fundo, Rio Grande do Sul: an analysis by age and schooling, 1999-2019

Abstract

Objective: to analyze the temporal trend of mortality due to malignant neoplasms of the breast and cervix f rom 1999 to 2019 in Passo Fundo, Rio Grande do Sul, Brazil. Methods: this was a time-series study based on data from the Mortality Information System; standardized rates were calculated according to age and schooling, and the temporal trend was assessed using Prais-Winsten regression. Results: the overall mortality coefficients for cervical cancer (β =-0.03; 95%CI-0.08;0.02) and for breast cancer (β =-0.006; 95%CI-0.02;0.01) were stable over the time series; in both types of neoplasms, a rising trend was identif ied in women with up to 7 years of schooling; on the other hand, a stationary trend was found in the majority of the age strata analyzed. Conclusion: older women and those with low levels of schooling had the worst prognosis.