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Table 4 Significance (p-values) for pair-wise comparisons of the utilities of all test-frequency combinations.

From: A labelled discrete choice experiment adds realism to the choices presented: preferences for surveillance tests for Barrett esophagus

  Saliva swab 2× Saliva swab 3× Saliva swab 5× Saliva swab 10× Saliva swab 40× Video capsule 2× Video capsule 3× Video capsule 5× Video capsule 10× Video capsule 40× Endoscopy 2× Endoscopy 3× Endoscopy 5× Endoscopy 10× Endoscopy 40×
Saliva swab 2× -               
Saliva swab 3× < .0001 -              
Saliva swab 5× < .0001 < .0001 -             
Saliva swab 10× < .0001 < .0001 < .0001 -            
Saliva swab 40× < .0001 < .0001 < .0001 0.24 -           
Video capsule 2× < .0001 0.29 0.00 < .0001 < .0001 -          
Video capsule 3× < .0001 < .0001 0.00 0.04 0.00 < .0001 -         
Video capsule 5× < .0001 < .0001 < .0001 < .0001 0.22 < .0001 < .0001 -        
Video capsule 10× < .0001 < .0001 < .0001 < .0001 0.00 < .0001 < .0001 0.01 -       
Video capsule 40× < .0001 < .0001 < .0001 0.62 0.39 < .0001 0.01 0.08 < .0001 -      
Endoscopy 2× < .0001 0.01 0.00 < .0001 < .0001 0.11 0.01 < .0001 < .0001 < .0001 -     
Endoscopy 3× < .0001 < .0001 < .0001 0.40 0.00 < .0001 < .0001 0.00 < .0001 0.02 < .0001 -    
Endoscopy 5× < .0001 < .0001 < .0001 < .0001 0.01 < .0001 < .0001 0.16 0.30 0.00 < .0001 < .0001 -   
Endoscopy 10× < .0001 < .0001 < .0001 < .0001 0.01 < .0001 < .0001 0.10 0.23 0.00 < .0001 < .0001 0.85 -  
Endoscopy 40× < .0001 < .0001 0.01 0.01 < .0001 < .0001 < .0001 < .0001 < .0001 < .0001 < .0001 0.03 < .0001 < .0001 -
  1. Bold p-values highlight non-significant differences
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