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Survival Trends of Liver Cancer in 1975-2019 and Projection for 2020-2024: A 50-Year Analysis Using SEER Database
Yi-Xin Zou1,2,3, Zhuo-Jun Ye4, Zhuo-Ying Li2,3
1School of Public Health, Fudan University, Shanghai, China.
Primary liver cancer survival has improved over 45 years, but significant disparities persist based on age, sex, and race. Early detection and equitable care are crucial for improving outcomes in liver cancer patients.
Area of Science:
- Hepatology
- Oncology
- Epidemiology
Background:
- Primary liver cancer (PLC) is a major global cause of cancer mortality.
- Incidence and survival rates for PLC show concerning trends and disparities.
Purpose of the Study:
- To analyze long-term survival trends in primary liver cancer (PLC).
- To inform future prevention and treatment strategies for PLC.
Main Methods:
- Utilized the Surveillance, Epidemiology, and End Results (SEER) Program data (1975-2019).
- Employed model-based period analysis to assess survival rates stratified by age, sex, race, and tumor stage.
- Calculated observed survival rates (OSRs), relative survival rates (RSRs), conditional RSR (CRSR), and age-standardized RSR (ARSR).
Main Results:
- Female PLC patients exhibited higher 5-year age-standardized RSR (27.26%) than males (24.81%) from 2015-2019.
- Survival rates declined with age and advanced tumor stage, with distant cancer showing a 5.52% 5-year RSR in men.
- Black male patients had the lowest 5-year ARSR (19.61%), highlighting racial disparities. Projections indicate persistent survival gaps for older patients and black males.
Conclusions:
- Despite 45 years of improved PLC survival, significant disparities related to age, sex, race, and tumor stage persist.
- The findings emphasize the critical need for early detection and equitable healthcare access for PLC patients.
- Converging prognoses among long-term survivors underscore the importance of survivorship programs.
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