Prediction of Overall Survival and Novel Classification of Patients with Gastric Cancer Using the Survival Recurrent Network

Annals of Surgical Oncology
Sung Eun OhSung Kim

Abstract

Artificial neural networks (ANNs) have been applied to many prediction and classification problems, and could also be used to develop a prediction model of survival outcomes for cancer patients. The aim of this study is to develop a prediction model of survival outcomes for patients with gastric cancer using an ANN. This study enrolled 1243 patients with stage IIA-IV gastric cancer who underwent D2 gastrectomy from January 2007 to June 2010. We used a recurrent neural network (RNN) to make the survival recurrent network (SRN), and patients were randomly sorted into a training set (80%) and a test set (20%). Fivefold cross-validation was performed with the training set, and the optimized model was evaluated with the test set. Receiver operating characteristic (ROC) curves and area under the curves (AUCs) were evaluated, and we compared the survival curves of the American Joint Committee on Cancer (AJCC) 8th stage groups with those of the groups classified by the SRN-predicted survival probability. The test data showed that the ROC AUC of the SRN was 0.81 at the fifth year. The SRN-predicted survival corresponded closely with the actual survival in the calibration curve, and the survival outcome could be more discriminately class...Continue Reading

References

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Citations

Jan 8, 2020·BMC Medical Informatics and Decision Making·Sung Mo RyuSun-Ho Lee
Jul 3, 2020·Journal of Cancer Research and Clinical Oncology·Peng JinYantao Tian
Apr 2, 2019·Annals of Vascular Diseases·Ali Kordzadeh, Shabnam Sadeghi Esfahlani
Oct 20, 2020·Cancer Research and Treatment : Official Journal of Korean Cancer Association·Bumjin LimKyo Chul Koo
Dec 4, 2021·World Journal of Surgical Oncology·Jian LvZhong Xin Li

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