Prediction of Prolonged Length of Hospital Stay After Cancer Surgery Using Machine Learning on Electronic Health Records: Retrospective Cross-sectional Study
 
                            Prediction of Prolonged Length of Hospital Stay After Cancer Surgery Using Machine Learning on Electronic Health Records: Retrospective Cross-sectional Study
                        
     
                    Yong-Yeon Jo
                   
                    1
                      , PhD ;  
                    JaiHong Han
                   
                    2
                      , MD ;  
                    Hyun Woo Park
                   
                    1
                      , PhD ;  
                    Hyojung Jung
                   
                    1
                      , BS ;  
                    Jae Dong Lee
                   
                    1
                      , MS ;  
                    Jipmin Jung
                   
                    3
                      , MS ;  
                    Hyo Soung Cha
                   
                    3
                      , PhD ;  
                    Dae Kyung Sohn
                   
                    4
                      , MD, PhD ;  
                    Yul Hwangbo
                   
                    1
                      , MD, PhD 
 
                1
            
            Healthcare AI Team, National Cancer Center, Goyang, Republic of Korea
        
                2
            
            Department of Surgery, National Cancer Center, Goyang, Republic of Korea
        
                3
            
            Cancer Data Center, National Cancer Control Institute, National Cancer Center, Goyang, Republic of Korea
        
                4
            
            Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Republic of Korea