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Breast Cancer Prognosis Using a Machine Learning Approach.

ABSTRACT: Machine learning (ML) has been recently introduced to develop prognostic classification models that can be used to predict outcomes in individual cancer patients. Here, we report the significance of an ML-based decision support system (DSS), combined with random optimization (RO), to extract prognostic information from routinely collected demographic, clinical and biochemical data of breast cancer (BC) patients. A DSS model was developed in a training set (n = 318), whose performance analysis in the testing set (n = 136) resulted in a C-index for progression-free survival of 0.84, with an accuracy of 86%. Furthermore, the model was capable of stratifying the testing set into two groups of patients with low- or high-risk of progression with a hazard ratio (HR) of 10.9 (p < 0.0001). Validation in multicenter prospective studies and appropriate management of privacy issues in relation to digital electronic health records (EHR) data are presently needed. Nonetheless, we may conclude that the implementation of ML algorithms and RO models into EHR data might help to achieve prognostic information, and has the potential to revolutionize the practice of personalized medicine.

SUBMITTER: Ferroni P 

PROVIDER: S-EPMC6468737 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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Breast Cancer Prognosis Using a Machine Learning Approach.

Ferroni Patrizia P   Zanzotto Fabio M FM   Riondino Silvia S   Scarpato Noemi N   Guadagni Fiorella F   Roselli Mario M  

Cancers 20190307 3

Machine learning (ML) has been recently introduced to develop prognostic classification models that can be used to predict outcomes in individual cancer patients. Here, we report the significance of an ML-based decision support system (DSS), combined with random optimization (RO), to extract prognostic information from routinely collected demographic, clinical and biochemical data of breast cancer (BC) patients. A DSS model was developed in a training set (<i>n</i> = 318), whose performance anal  ...[more]

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