Review for 10.1186/s12876-020-01462-1 (2020)

Reviewer’ s report
Title: Analysis of Risk Factor for Anastomotic Leakage after Lower Rectal Cancer Resection,
Including Drain Type: A Retrospective Single-Center Study
Version: 1Date: 29 May 2020
Reviewer: Ketan Vagholkar
Reviewer's report:
Low anterior resection is an important and commonly performed oncologic procedure.
Anastomotic leakage continues to be a nightmare to the operating surgeon. The study is quiterelevant to this issue studied. drains are always a contentious issue. The article has brought to lightthe perils of each type of drainage which are of great relevance to operating surgeons. The analysisof data is quite well done. It is presented in a very lucid manner. Common associations of thisprocedure and their impact on surgical outcomes has very well being discussed. Conclusion isquite valid. Overall a good and informative study.
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.
Yes
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:
Needs some language corrections before being published
Declaration of competing interests
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