Using machine learning to predict ovarian cancer

Mingyang Lu, Zhenjiang Fan, Bin Xu, Lujun Chen, Xiao Zheng, Jundong Li, Taieb Znati, Qi Mi, Jingting Jiang

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

Objective: Ovarian cancer (OC) is one of the most common types of cancer in women. Accurately prediction of benign ovarian tumors (BOT) and OC has important practical value. Methods: Our dataset consists of 349 Chinese patients with 49 variables including demographics, blood routine test, general chemistry, and tumor markers. Machine learning Minimum Redundancy – Maximum Relevance (MRMR) feature selection method was applied on the 235 patients’ data (89 BOT and 146 OC) to select the most relevant features, with which a simple decision tree model was constructed. The model was tested on the rest of 114 patients (89 BOT and 25 OC). The results were compared with the predictions produced by using the risk of ovarian malignancy algorithm (ROMA) and logistic regression model. Results: Ten notable features were selected by MRMR, among which two were identified as the top features by the decision tree model: human epididymis protein 4 (HE4) and carcinoembryonic antigen (CEA). Particularly, CEA is a valuable marker for OC prediction in patients with low HE4. The model also yields better prediction result than ROMA. Conclusion: Machine learning approaches were able to accurately classify BOT and OC. Our goal is to derive a simple predictive model which also carries a good performance. Using our approach, we obtained a model that consists of just two biomarkers, HE4 and CEA. The model is simple to interpret and outperforms the existing OC prediction methods. It demonstrates that the machine learning approach has good potential in predictive modeling for the complex diseases.

Original languageEnglish
Article number104195
JournalInternational Journal of Medical Informatics
Volume141
DOIs
Publication statusPublished - Sep 2020
Externally publishedYes

Keywords

  • Machine Learning
  • Ovarian Cancer
  • Tumor Marker

ASJC Scopus subject areas

  • Health Informatics

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