Reviewer ’s report  
 
Title: Clinical outcomes of iatrogenic upper gastrointestinal en doscopic perforation: A 10 -year 
study  
 
Version : 0 Date: 02 Oct 2019  
 
Reviewer: Reviewer 2  
 
Reviewer's report:  
 
PEER REVIEWER ASSESSMENTS:  
 
OBJECTIVE - Full research articles: is there a clear objective that addresses a testable research 
question(s) (brief or other article types : is there a clear objective)?  
 
Yes - there is a clear objective  
 
 
DESIGN - Is the current approach (including controls and analysis protocols) appropriate for the 
objective?  
 
Yes - the approach is appropriate  
 
 
EXECUTION - Are the experiments and analyses per formed with technical rigor to allow 
confidence in the results?  
 
Yes - experiments and analyses were performed appropriately  
 
 
STATISTICS - Is the use of statistics in the manuscript appropriate?  
 
Yes - appropriate statistical analyses have been used in the study  
 
 
INTERPRETATION - Is the current interpretation/discussion of the results reasonable and not 
overstated?  
 
Yes - the author's interpretation is reasonable  
 
 
OVERALL MANUSCRIPT POTENTIAL - Is the current version of this work technically 
sound? If not, can revisions be made to make the work technically sound?  
 
Yes - current version is technically sound  
PEER REVIEWER COMMENTS:  
 
GENERAL COMMENTS: It is a useful analysis of a critical issue.  
 
The a uthors present a review of a case experience on iatrogenic upper gastrointestinal 
endoscopic perforation. It is a critical issue in modern emergency surgery and it is also treated 
elsewhere by several authors. The manuscript presents a well defined study d esign, a rigorous 
execution and good interpretation of the results.  
 
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 manus cript or would you recommend an 
additional statistical review?  
If an additional s tatistical review is recommended, please speci fy 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, f ees, funding, or salary 
from an organisation that may in any way gain  or lose financial ly from the 
publication of this manuscript, either now or in the future?  
 
2.  Do you hold any stocks or shares in an organisation t hat 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.  
 
This reviewer has been recruited by a partner organization, Research Square. Reviewers with 
declared or apparent competing interests are not utilized for t hese reviews. This reviewer has 
agreed to publ ication of their comments online under a Creat ive Commons Attribution License 
attributed to Research Square and was paid a small honorarium for  completing the review within 
a specified timeframe. Honoraria for reviews such as this are paid regardless of th e reviewer 
recommendation.  
 
I agree to the open peer review policy of the journal. I understan d that my name will be included 
on my report to the authors and, if the manuscript is accepted f or 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 under an Open Access Creative Commons 
CC-BY license ( http://creativecommons.org/licenses/by/4.0/ ). I understand that any comments 
which I do not wis h to be included in my named report can be in cluded as confidential comments 
to the editors, which will not be published.  
 
I agree to the open peer review policy of the journal  
Reviewer ’s report  
 
Title: Clinical outcomes of iatrogenic upper gastrointestinal en doscopic perforation: A 10 -year 
study  
 
Version : 0 Date: 02 Oct 2019  
 
Reviewer: Reviewer 2  
 
Reviewer's report:  
 
PEER REVIEWER ASSESSMENTS:  
 
OBJECTIVE - Full research articles: is there a clear objective that addresses a testable research 
question(s) (brief or other article types : is there a clear objective)?  
 
Yes - there is a clear objective  
 
 
DESIGN - Is the current approach (including controls and analysis protocols) appropriate for the 
objective?  
 
Yes - the approach is appropriate  
 
 
EXECUTION - Are the experiments and analyses per formed with technical rigor to allow 
confidence in the results?  
 
Yes - experiments and analyses were performed appropriately  
 
 
STATISTICS - Is the use of statistics in the manuscript appropriate?  
 
Yes - appropriate statistical analyses have been used in the study  
 
 
INTERPRETATION - Is the current interpretation/discussion of the results reasonable and not 
overstated?  
 
Yes - the author's interpretation is reasonable  
 
 
OVERALL MANUSCRIPT POTENTIAL - Is the current version of this work technically 
sound? If not, can revisions be made to make the work technically sound?  
 
Yes - current version is technically sound  
PEER REVIEWER COMMENTS:  
 
GENERAL COMMENTS: It is a useful analysis of a critical issue.  
 
The a uthors present a review of a case experience on iatrogenic upper gastrointestinal 
endoscopic perforation. It is a critical issue in modern emergency surgery and it is also treated 
elsewhere by several authors. The manuscript presents a well defined study d esign, a rigorous 
execution and good interpretation of the results.  
 
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 manus cript or would you recommend an 
additional statistical review?  
If an additional s tatistical review is recommended, please speci fy 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, f ees, funding, or salary 
from an organisation that may in any way gain  or lose financial ly from the 
publication of this manuscript, either now or in the future?  
 
2.  Do you hold any stocks or shares in an organisation t hat 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.  
 
This reviewer has been recruited by a partner organization, Research Square. Reviewers with 
declared or apparent competing interests are not utilized for t hese reviews. This reviewer has 
agreed to publ ication of their comments online under a Creat ive Commons Attribution License 
attributed to Research Square and was paid a small honorarium for  completing the review within 
a specified timeframe. Honoraria for reviews such as this are paid regardless of th e reviewer 
recommendation.  
 
I agree to the open peer review policy of the journal. I understan d that my name will be included 
on my report to the authors and, if the manuscript is accepted f or 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 under an Open Access Creative Commons 
CC-BY license ( http://creativecommons.org/licenses/by/4.0/ ). I understand that any comments 
which I do not wis h to be included in my named report can be in cluded as confidential comments 
to the editors, which will not be published.  
 
I agree to the open peer review policy of the journal  
Please review this paper.
user
Reviewer ’s report  
 
Title: Clinical outcomes of iatrogenic upper gastrointestinal en doscopic perforation: A 10 -year 
study  
 
Version : 0 Date: 02 Oct 2019  
 
Reviewer: Reviewer 2  
 
Reviewer's report:  
 
PEER REVIEWER ASSESSMENTS:  
 
OBJECTIVE - Full research articles: is there a clear objective that addresses a testable research 
question(s) (brief or other article types : is there a clear objective)?  
 
Yes - there is a clear objective  
 
 
DESIGN - Is the current approach (including controls and analysis protocols) appropriate for the 
objective?  
 
Yes - the approach is appropriate  
 
 
EXECUTION - Are the experiments and analyses per formed with technical rigor to allow 
confidence in the results?  
 
Yes - experiments and analyses were performed appropriately  
 
 
STATISTICS - Is the use of statistics in the manuscript appropriate?  
 
Yes - appropriate statistical analyses have been used in the study  
 
 
INTERPRETATION - Is the current interpretation/discussion of the results reasonable and not 
overstated?  
 
Yes - the author's interpretation is reasonable  
 
 
OVERALL MANUSCRIPT POTENTIAL - Is the current version of this work technically 
sound? If not, can revisions be made to make the work technically sound?  
 
Yes - current version is technically sound  
PEER REVIEWER COMMENTS:  
 
GENERAL COMMENTS: It is a useful analysis of a critical issue.  
 
The a uthors present a review of a case experience on iatrogenic upper gastrointestinal 
endoscopic perforation. It is a critical issue in modern emergency surgery and it is also treated 
elsewhere by several authors. The manuscript presents a well defined study d esign, a rigorous 
execution and good interpretation of the results.  
 
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 manus cript or would you recommend an 
additional statistical review?  
If an additional s tatistical review is recommended, please speci fy 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, f ees, funding, or salary 
from an organisation that may in any way gain  or lose financial ly from the 
publication of this manuscript, either now or in the future?  
 
2.  Do you hold any stocks or shares in an organisation t hat 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.  
 
This reviewer has been recruited by a partner organization, Research Square. Reviewers with 
declared or apparent competing interests are not utilized for t hese reviews. This reviewer has 
agreed to publ ication of their comments online under a Creat ive Commons Attribution License 
attributed to Research Square and was paid a small honorarium for  completing the review within 
a specified timeframe. Honoraria for reviews such as this are paid regardless of th e reviewer 
recommendation.  
 
I agree to the open peer review policy of the journal. I understan d that my name will be included 
on my report to the authors and, if the manuscript is accepted f or 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 under an Open Access Creative Commons 
CC-BY license ( http://creativecommons.org/licenses/by/4.0/ ). I understand that any comments 
which I do not wis h to be included in my named report can be in cluded as confidential comments 
to the editors, which will not be published.  
 
I agree to the open peer review policy of the journal  
assistant