Review for 10.1186/s12876-020-01267-2 (2020)

Reviewer ’s report  
 
Title: The relationship between metabolic syndrome and increased risk of Barrett's esophagus: 
An Updated systematic review and meta -analysis  
 
Version: 2 Date: 05 Feb 2020  
 
Reviewer: Shao -Hua Xie  
 
Reviewer's report:  
 
Please include all comments for the authors in this box rather than uploading your report as an 
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Please overwrite this text when adding  your comments to the authors.  
 
The manuscript has been improved and most of my concerns were well responded. The 
remaining comment is that Figure 1 needs to be revised to make it easier to read, perhaps 
reducing the crossing lines. And the red lines under lying the text should be removed.  
 
 
Are the methods appropriate and well described?  
If not, please specify what is required in your comments to the authors.  
 
Yes 
 
Does the work include the necess ary controls?  
If not, please specify which controls are required in your comments to the authors.  
 
Yes 
 
Are the conclusions drawn adequately supported by the data shown?  
If not, please explain in your comments to the authors.  
 
Yes 
 
Are you able to assess any st atistics in the manuscript or would you recommend an  
additional statistical review?  
If an additional statistical review is recommended, please specify what aspects require further  
assessment in your comments to the editors.  
 
I am able to assess the statistics  
 
Quality of written English  
Please indicate the quality of language in the manuscript:  
 
Acceptable  
 
Declaration of competing interests  
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1. Have you in the past five years received reimbursements, fees, funding, or salary from an  
organisation that may in any way gain or lose financially from the publication of this  
manuscript, either now or in the future?  
 
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financially from the publication of this manuscript, either now or in the future?  
 
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holds  or has applied for patents relating to the content of the manuscript?  
 
5. Do you have any other financial competing interests?  
 
6. Do you have any non -financial com peting interests in relation to this paper?  
 
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below.  If your reply is yes to any, please give details below.  
 
I declare that I have no competing interests  
 
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I agree to the open peer review policy of the journal