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  5. 以機器學習分析乳癌五年復發率及危險因子預測
 
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以機器學習分析乳癌五年復發率及危險因子預測

Other Title
Analyzing Five-year Recurrence Rate of Breast Cancer and Predicting Risk Factors by Machine Learning
Type
thesis
Date Issued
2023-06-20
Author(s)
徐芷葳
Advisor
簡文山
Subjects
系所名稱:醫務管理學系碩士班
Description
學位別:碩士
語文別:中文
口試委員:魏慶國 WEI, CHING-KUO;張偉斌 CHANG, WEI-PIN;簡文山 JIAN, WEN-SHAN
授權範圍:網際網路,開放日期為2023-07-11
Abstract
研究目的:本研究使用羅吉斯迴歸、支持向量機、決策樹、隨機森林、梯度提升及人工神經網路等人工智慧演算方法,預測可能導致乳癌復發的高危險因子,提供醫師或患者雙方更全面的參考資訊,降低患者再次復發的機會。

研究方法:以病歷回溯性世代研究方式,收集2000年至2021年臺北醫學大學之臨床研究資料庫中7006位乳癌患者相關資料,利用六種機器學習之方式將所蒐集之樣本進行隨機分組,建構「疾病預測模型」,納入人口學變項、臨床表徵及治療方式等相關就醫資料,以準確率、敏感度、特異度、精確率、F1-score及ROC等效能衡量指標,選擇最準確的演算法,來預測乳癌復發的可能危險因子。

研究結果:結果顯示,7006位乳癌患者中五年內復發為458人,復發率為6.54 %。在機器學習模型預測乳癌復發危險因子方面,外部驗證以「梯度提升」模型結果最佳,其準確率為0.77、敏感度為0.79、特異度為0.77、精確率為0.22、F1-score為0.34、AUC為0.82,具有良好的預測能力。根據最佳模型中所預測的變項相對重要性排序,「原癌症期別」為影響乳癌復發最重要的危險因子,其次為淋巴結狀態,血型則並列第三。醫療提供者可使用機器學習模型的預測結果作為參考,相信能幫助醫療提供者與病人在預後的治療或照護,改善患者的預後和生活品質,同時減少患者、家屬或照顧者心理層面的負擔。
URI
https://handle.ncl.edu.tw/11296/ptxcrh
https://203.71.86.71/handle/123456789/10303

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