Abstract:
Objective To analyze the epidemiological distribution and temporal trends of liver cancer incidence among Luzhou residents from 2016‒2022， and to provide a theoretical basis for improving liver cancer prevention and treatment strategies in Luzhou.
Methods Data on liver cancer incidence among Luzhou residents from 2016 to 2022 were collected， and the incidence rate， age-specific incidence rate， and annual percentage change （APC） were calculated. A Joinpoint regression model was used to fit a time series segment to the monthly number of new cases in each district and county of Luzhou to explore the trend of liver cancer incidence rate.
Results The incidence rate of liver cancer in Luzhou increased from 22.96/105 in 2016 to 32.31/105 in 2022. The incidence rate of liver cancer in men was higher than that in women in both 2016 and 2022， and the incidence rate of liver cancer in men increased from 34.83/105 in 2016 to 47.95/105 in 2022， with an APC of 3.3%； the incidence rate of liver cancer in women increased from 10.50/105 in 2016 to 15.95/105 in 2022， with an APC of 3.0%， and the differences in the change trends were not statistically significant （P>0.05）.The incidence of liver cancer was low in the age group of 0‒<40 years from 2016 to 2022 and increased with age； the incidence of liver cancer in the age group of 55 years and above was increasing at an average annual rate of 16.4%.
Conclusion The overall incidence of liver cancer in Luzhou is on the rise， and the incidence of liver cancer in men is higher than that in women. Middle-aged and elderly men are the key population for liver cancer prevention and treatment， and liver cancer prevention and treatment should be carried out in a targeted manner， taking into account regional development differences.
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