Review for 10.1186/s12876-018-0793-z (2018)

Reviewer ’s report  
 
Title:  A subclinical high tricuspid regurgitation pressure gradient independent of the mean 
pulmonary artery pressure is a risk factor for the survival afte r living donor liver transplantation  
 
Version: 2 Date: 10 Feb 2018 
 
Reviewer:  Lukas  Unger  
 
Reviewer’s report:  
 
Again, I do congratulate the authors on their manuscript.  
 
The specific comments required by the reviewers have been answ ered accordingly. The 
limitations due to the retrospective nature of the study cannot be overcome. However, limitations 
are now stated in the manuscript and a reference towards the necessity of larger studies are 
included.  
 
 
Minor remarks:  
 
In Figure 2, nom enclature ("non -subclinical high TRPG") should be revised.  
 
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 t he necessary 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 statistics 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  
Please complete a declaration of competing interests, considering the following questions:  
 
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?  
 
2. Do you hold any stocks or shares in an organisat ion that may in any way gain or lose 
financially from the publication of this manuscript, either now or in the future?  
 
3. Do you hold or are you currently applying for any patents relating to the content of the 
manuscript?  
 
4. Have you received reimbursements, fees, funding, or salary from an organization that 
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 competing interests in relation to this paper?  
 
If you can answer no to all of the above, write 'I declare that I have no competing interests' 
below. If your reply is yes to any, please give details below.  
 
I declare that I have no competing interests  
 
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to the editors, which will not be published.  
 
I agree to the open peer review policy of the journal