The ASR trend curves for invasive carcinoma incidence, which show an increasing trend in the last six years, and those of carcinoma in situ incidence, which show a decreasing trend in the last nine years of the series, can be compared with the mortality curves across the same period.
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Trends in cervical cancer and its precursor forms to evaluate screening policies in a mid-sized Northeastern Brazilian city.
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Using the Joinpoint Regression Program, we calculated the annual percentage incidence changes and our analyses show that cervical cancer incidence decreased up to 2008, increased up to 2012 and decreased again thereafter, a significant trend in all age groups from 25 years.
When analyzing all ages combined, the ASR curve for invasive tumor incidence ( Fig 2 ) presented a decreasing trend for incidence from 1996 to 2015.