Development of a Prediction Model and Risk Score for Self-Assessment and High-Risk Population Identification in Liver Cancer Screening: Prospective Cohort Study
2024

Liver Cancer Screening Prediction Model

Sample size: 153082 publication 10 minutes Evidence: high

Author Information

Author(s): Li Xue, Wang Youqing, Li Huizhang, Wang Le, Zhu Juan, Yang Chen, Du Lingbin

Primary Institution: Zhejiang Cancer Hospital, Hangzhou Institute of Medicine, Chinese Academy of Sciences

Hypothesis

This study aimed to develop a simple prediction model and risk score for liver cancer screening in the general population.

Conclusion

A straightforward liver cancer prediction model was created by incorporating easily accessible variables, enabling the identification of asymptomatic individuals who should be prioritized for liver cancer screening.

Supporting Evidence

  • 290 individuals were diagnosed with liver cancer during the study.
  • The model exhibited excellent discrimination with AUCs of 0.802, 0.812, and 0.791 for predicting liver cancer at 1-, 3-, and 5-year periods.
  • Participants in the high-risk group had 11.88-fold higher risks of liver cancer compared to the low-risk group.
  • The risk score provided a higher net benefit compared to the current strategy.
  • Key factors for the prediction model included age, sex, education level, cirrhosis, diabetes, and HBsAg status.

Takeaway

The study created a tool to help people figure out if they might be at risk for liver cancer, so they can get checked early.

Methodology

This population-based cohort study focused on residents aged 40 to 74 years, with data collected through interviews and follow-up until June 30, 2021.

Potential Biases

The study may have selection bias as it focused on a specific age group and excluded individuals with a history of cancer.

Limitations

The study population may not fully represent the general population of China, and the follow-up duration may not be sufficient to capture all liver cancer cases.

Participant Demographics

Participants included 67,586 males and 85,496 females with a mean age of 55.86 years.

Statistical Information

P-Value

<0.001

Confidence Interval

95% CI 1.04-1.08

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.2196/65286

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