Reviewer’s report
Title: 
The value of melatonin supplementation in postmenopausal women with
Helicobacter pylori-associated dyspepsia
Version: 
1 
Date: 
15 Jun 2020
Reviewer's report:
Thank you for giving me the opportunity to review this interesting study "The
usefulness of melatonin supplementation in postmenopausal women with
Helicobacter pylori-associated dyspepsia".
However, I have some comments and recommendations:
Comments:
Title: 
- Is appropriate for the content of the article.
Abstract: 
- Represents a suitable summary of the work.
Article content: 
- The design, methods and analysis of the results are appropriate for the study.
Conclusions:
- Are justified on the basis of the results of the study.
Recommendations:
Introduction:
- Emphasize the role of melatonin in chronic dyspepsia.
Methods:
- Emphasize the sample size.
Results:
- Do not duplicate; the text should complement the tables and figures.
Discussion:
- Mention the limitations of the study.
References:
- Update some references.
General:
- Revise language, grammar and syntax.
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 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 organisation 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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