Review for 10.1186/s12876-017-0622-9 (2017)

Reviewer ’s report  
 
Title:  Self-rated health and functional capacity in individuals reporting overlapping symptoms of 
gastroesophageal reflux disease, functional dyspepsia and irritable bowel syndrome - a 
population based study  
 
Version: 0 Date: 07 Dec 2016 
 
Reviewer:  Askin  Erdogan  
 
Reviewer’s report:  
 
Dear Editor,  
 
I have reviewed the manuscript entitled "Self -rated health and fu nctional capacity in individuals 
reporting overlapping symptoms of gastroesophageal reflux disease, functional dyspepsia and 
irritable bowel syndrome - a population based study."  
 
It is a well -written paper, however carries the risk that some of the patien ts may have primary 
structural problems underlying their symptoms that are stated in the manuscript.  
 
I have some questions and suggestions listed below.  
 
 
Yours sincerely,  
 
 
 
1. Was there significant difference between age groups in mean and women?  
 
2. Was there any significant difference between genders for specific age groups?  
 
3. Graphic for OR may help to reflect the effect  
 
Are the m ethods appropriate and well described?  
If not, please specify what is required in your comments to the authors.  
 
Yes 
 
Does the work include the necessary controls?  
If not, please specify which controls are required in your comments to the authors.  
 
Unable to assess  
 
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 sta tistical review is recommended, please specify what aspects require further 
assessment in your comments to the editors.  
 
I recommend additional statistical review  
 
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 organisation that may in any way gain or lose 
financially from the publication o f 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  
 
I agree to the open peer review policy of the journal. I understand that my name wil l be included 
on my report to the authors and, if the manuscript is accepted for publication, my named report 
including any attachments I upload will be posted on the website along with the authors' 
responses. I agree for my report to be made available und er an Open Access Creative Commons 
CC-BY license ( http://creativecommons.org/licenses/by/4.0/ ). I understand that any comments 
which I do not wish to be included in my named report can be included a s confidential comments 
to the editors, which will not be published . 
I agree to the open peer review policy of the journal