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  5. 使用機器學習方法以臨床實驗室資料建立預測膀胱癌模型
 
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使用機器學習方法以臨床實驗室資料建立預測膀胱癌模型

Other Title
Prediction Model of Bladder Cancer on Clinical Laboratory Data with Machine Learning Approach
Type
thesis
Date Issued
2023-01-12
Author(s)
林亞萱
Advisor
林景堉
Subjects
系所名稱:醫學檢驗暨生物技術學系碩士在職專班
Description
學位別:碩士
語文別:中文
口試委員:潘玟伃 PAN, WEN-YU;陳威戎 CHEN, WEI-JUNG ;林景堉 LIN, CHING-YU
授權範圍:網際網路,開放日期為2023-01-17
Abstract
據世界衛生組織統計,世界各地確診膀胱癌的人口正逐年上升,好發七十至八十歲男性,發病原因至今不明,危險因子有家族遺傳、吸菸、部分職業等。初期症狀無具特異性,如血尿、頻尿等類似泌尿道細菌感染或是膀胱結石。膀胱癌可利用常規尿液檢查、細胞病理檢查及膀胱鏡來檢測,倘若病人出現血尿且為罹患膀胱癌之高風險人群,醫師會建議採膀胱鏡來確定有無膀胱癌,施術過程中若有異常組織,將進行病理切片,確認是否癌化或期別確立。早期膀胱癌可使用BCG注射、TURBT切除腫瘤,預後良好,復發機率小。若已進展至侵襲性,則建議摘除膀胱並配合化療及放療,同時密切注意有無轉移,預後不佳,復發機率也較大。現有檢查方式仍有不足,即使黃金指標的膀胱鏡亦有其風險,故本研究藉臨床檢驗數據結合機器學習,建立模型,尋找非侵入式檢驗結果與膀胱癌之關係,以預測病人罹患膀胱癌的機率,區分攝護腺癌、膀胱癌、腎癌、子宮內膜癌等泌尿系統附近之癌症。研究中採用之演算法包含Logistic regression、Decision trees、Random Forest、SVM、XGBoost、Light GBM等,使用混亂矩陣(confusion matrix) 、AUROC加以驗證模型表現。藉由向前特徵篩選得出特徵如BUN、Creatinine、eGFR、turbidity、Urine Glucose、 WBC、Occutlblood等,於雙和資料區分疾病控制組與疾病組上,平均有著高靈敏性(93.30%)、特異性(92.33%) 、精確性(92.48%) ,而AUROC則為0.975。
URI
https://handle.ncl.edu.tw/11296/yf3ud8
https://203.71.86.71/handle/123456789/10402

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