Identification of Preterm Labor Evaluation Visits and Extraction of Cervical Length Measures from Electronic Health Records Within a Large Integrated Health Care System: Algorithm Development and Validation
 
                            Identification of Preterm Labor Evaluation Visits and Extraction of Cervical Length Measures from Electronic Health Records Within a Large Integrated Health Care System: Algorithm Development and Validation
                        
     
                    Fagen Xie
                   
                    1
                      , PhD ;  
                    Nehaa Khadka
                   
                    1
                      , MPH ;  
                    Michael J Fassett
                   
                    2, 3
                      , MD ;  
                    Vicki Y Chiu
                   
                    1
                      , MS ;  
                    Chantal C Avila
                   
                    1
                      , MA ;  
                    Jiaxiao Shi
                   
                    1
                      , PhD ;  
                    Meiyu Yeh
                   
                    1
                      , MS ;  
                    Aniket Kawatkar
                   
                    1
                      , PhD ;  
                    Nana A Mensah
                   
                    1
                      , PhD ;  
                    David A Sacks
                   
                    1
                      , MD ;  
                    Darios Getahun
                   
                    1, 4
                      , MD, MPH, PhD 
 
                1
            
            Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, CA, United States
        
                2
            
            Department of Obstetrics & Gynecology, Kaiser Permanente West Los Angeles Medical Center, Los Angeles, CA, United States
        
                3
            
            Department of Clinical Science, Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, CA, United States
        
                4
            
            Department of Health Systems Science, Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, CA, United States
        
  
        
    
        
    
        
    
        
    
        
    
        
    
        
    
        
    
        
    
        
    
        
    
 
            Corresponding Author:
        
 - 
                Fagen Xie, PhD
- 
                Department of Research and Evaluation
            
- 
                Kaiser Permanente Southern California
            
- 
                100 S. Los Robles Avenue
            
- 
                2nd Floor
            
- 
                Pasadena, CA 91101
- 
                United States
            
- 
                Phone:
                1 626-564-3294
- 
                Fax: 1 626-564-787
            
- 
                Email: fagen.xie@kp.org