Review for 10.1186/s12876-018-0841-8 (2018)

Reviewer ’s report  
 
Title: Variables affecting penetrance of gastric and duodenal phenotype in familial adenomatous 
polyposis patients  
 
Version: 1 Date: 30 May 2018  
 
Reviewer: Ian Roberts -Thomson  
 
Reviewer's report:  
 
The authors have responded appropriately to the revie wers questions.  
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Are the methods appropriate and well described?  
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Yes 
 
Does the work include the necessary controls?  
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Yes 
 
Are the conclusions drawn adequately supported by the data shown?  
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Yes 
 
Are you able to assess any statistics in the manu script or would you recommend an  
additional statistical review?  
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assessment in your comments to the editors.  
 
I am able to assess the statistics  
 
Quality of writte n English  
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Acceptable  
  
Declaration of competing interests  
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