Review for 10.1186/s12876-019-1144-4 (2019)

Reviewer’ s report
Title: Clinical outcomes of over-the-scope-clip system for the treatment of acute upper non-
variceal gastrointestinal bleeding: a systematic review and meta-analysis
Version: 1Date: 24 Nov 2019
Reviewer: Hsiu-Chi Cheng
Reviewer's report:
Review on BMGE-D-19-00591_R1 by Zhong C, et al., entitled "Clinical outcomes of over-the-
scope-clip system for the treatment of acute upper nonvariceal gastrointestinal bleeding: asystematic review and meta-analysis."Authors have answered all my comments and submitted arevised version of the manuscript. Quality of the manuscript has been improved, and I think themanuscript could be published.
Are the methods appropriate and well described?
If not, please specify what is required in your comments to the authors.
YesDoes 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.
YesAre 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 furtherassessment in your comments to the editors.
I am able to assess the statisticsQuality of written English
Please indicate the quality of language in the manuscript:
AcceptableDeclaration 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 thismanuscript, either now or in the future?
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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?
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If your reply is yes to any, please give details below.
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