Analysis of incidence trend of thyroid cancer in Baoshan District, Shanghai from 2000 to 2022

Objective To provide a scientific basis for the prevention and control of thyroid cancer by analyzing the incidence characteristics and trends of thyroid cancer in Baoshan District, Shanghai from 2000 to 2022. Methods The thyroid cancer incidence data from the Shanghai Cancer Registry Reporting System from 2000 to 2022 were used to analyze the incidence of thyroid cancer among registered residents of Baoshan District. Indices such as crude incidence rate, age-standardized incidence rate (ASIR), cumulative incidence rate for ages 0-74, truncated rate for ages 35-64, and age-specific and gender-specific incidence rates were calculated using Excel 2013.Joinpoint 5.0.2.0 software was used to calculate the annual percentage of change (APC) and average annual percentage of change (AAPC), and to conduct trend analysis. Results Between 2000 and 2022, a total of 6 877cases of thyroid cancer were monitored and recorded in Baoshan District,with an average annual incidence rate of 33.38/100 000(ASIR of 28.77/100 000), am