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Prediction model of ocular metastasis from primary liver cancer: Machine learning-based development and interpretation study.


ABSTRACT:

Background

Ocular metastasis (OM) is a rare metastatic site of primary liver cancer (PLC). The purpose of this study was to establish a clinical predictive model of OM in PLC patients based on machine learning (ML).

Methods

We retrospectively collected the clinical data of 1540 PLC patients and divided it into a training set and an internal test set in a 7:3 proportion. PLC patients were divided into OM and non-ocular metastasis (NOM) groups, and univariate logistic regression analysis was performed between the two groups. The variables with univariate logistic analysis p < 0.05 were selected for the ML model. We constructed six ML models, which were internally verified by 10-fold cross-validation. The prediction performance of each ML model was evaluated by receiver operating characteristic curves (ROCs). We also constructed a web calculator based on the optimal performance ML model to personalize the risk probability for OM.

Results

Six variables were selected for the ML model. The extreme gradient boost (XGB) ML model achieved the optimal differential diagnosis ability, with an area under the curve (AUC) = 0.993, accuracy = 0.992, sensitivity = 0.998, and specificity = 0.984. Based on these results, an online web calculator was constructed by using the XGB ML model to help clinicians diagnose and treat the risk probability of OM in PLC patients. Finally, the Shapley additive explanations (SHAP) library was used to obtain the six most important risk factors for OM in PLC patients: CA125, ALP, AFP, TG, CA199, and CEA.

Conclusion

We used the XGB model to establish a risk prediction model of OM in PLC patients. The predictive model can help identify PLC patients with a high risk of OM, provide early and personalized diagnosis and treatment, reduce the poor prognosis of OM patients, and improve the quality of life of PLC patients.

SUBMITTER: Sun JQ 

PROVIDER: S-EPMC10652349 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature

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Publications

Prediction model of ocular metastasis from primary liver cancer: Machine learning-based development and interpretation study.

Sun Jin-Qi JQ   Wu Shi-Nan SN   Mou Zheng-Lin ZL   Wen Jia-Yi JY   Wei Hong H   Zou Jie J   Li Qing-Jian QJ   Liu Zhao-Lin ZL   Xu San Hua SH   Kang Min M   Ling Qian Q   Huang Hui H   Chen Xu X   Wang Yi-Xin YX   Liao Xu-Lin XL   Tan Gang G   Shao Yi Y  

Cancer medicine 20231005 20


<h4>Background</h4>Ocular metastasis (OM) is a rare metastatic site of primary liver cancer (PLC). The purpose of this study was to establish a clinical predictive model of OM in PLC patients based on machine learning (ML).<h4>Methods</h4>We retrospectively collected the clinical data of 1540 PLC patients and divided it into a training set and an internal test set in a 7:3 proportion. PLC patients were divided into OM and non-ocular metastasis (NOM) groups, and univariate logistic regression ana  ...[more]

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