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Table 5 Characteristics of ML-based predictive model of HCC patients after TACE

From: Current updates in machine learning in the prediction of therapeutic outcome of hepatocellular carcinoma: what should we know?

Author

Study type

No. of patients

Model

Outcomes

AUC

Conclusion

Abajian [77], 2018

Retrospective Single center

36

RF

Responders or non-responders

–

RF model combined with MRI parameters may be predicted tumor response of post-TACE HCC

Morshid [79], 2019

Retrospective Single center

105

RF

TACE-susceptible or TACE-refractory

0.733

The accuracy of RF model using a combination of clinical parameters plus quantitative image features was higher than the RF model based on the clinical parameters alone, in the study of predicting HCC response to TACE

Mähringer-Kunz [76], 2020

Retrospective Single center

282

ANN

1-year survival

V: 0.77 ± 0.13

D: 0.83 ± 0.06

The ANN model had a promising performance at predicting HCC patient survival after TACE and outperformed the traditional scoring systems

Peng [25], 2020

Retrospective Multicenter

798

CNN

CR, PR, SD, PD

D: 0.97 (CR)

0.96 (PR)

0.95 (SD)

0.96 (PD)

V: 0.98 (CR)

0.96 (PR)

0.95 (SD)

0.94 (PD)

The CNN model presented a good performance for predicting the outcome of TACE

Liu [78], 2020

Retrospective Single center

138

CNN

SVM1*

SVM2#

ORR

D: 0.98 (CNN)

0.84 (SVM1)

0.82 (SVM2)

V: 0.93 (CNN)

0.80 (SVM1)

0.81 (SVM2)

CNN is better in predicting treatment response over SVM in HCC patients treated with TACE

  1. *SVM1: radiomics-based time-intensity curve of CEUS model using SVM; #SVM2: radiomics-based B-Mode images model using SVM
  2. ML machine learning, HCC hepatocellular carcinoma, TACE transarterial chemoembolization, AUC area under the curve, RF random forest, MRI magnetic resonance imaging, ANN artificial neural network, D development cohort, V validation cohort, CNN convolutional neural network, CR complete response, PR partial response, SD stable disease, PD progressive disease, SVM support vector machine, ORR objective response rate, CEUS contrast-enhanced ultrasound