Brueton, VC;
              
      
            
                Tierney, J;
              
      
            
                Stenning, S;
              
      
            
                Harding, S;
              
      
            
                Meredith, S;
              
      
            
                Nazareth, I;
              
      
            
                Rait, G;
              
      
        
        
  
(2013)
  Strategies to improve retention in randomised trials.
Cochrane Database Syst Rev
, 12
      
    
    
    
    , Article MR000032.     10.1002/14651858.MR000032.pub2.
  
  
       
    
  
| ![[thumbnail of MR000032.pdf]](https://discovery.ucl.ac.uk/style/images/fileicons/application_pdf.png) Preview | PDF MR000032.pdf Download (1MB) | 
Abstract
Loss to follow-up from randomised trials can introduce bias and reduce study power, affecting the generalisability, validity and reliability of results. Many strategies are used to reduce loss to follow-up and improve retention but few have been formally evaluated.
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