Review for 10.1186/s12876-021-01643-6 (2021)

Reviewer’s report
Title: 
Expression and Prognostic Impact of FZDs in Pancreatic Adenocarcinoma
Version: 
2 
Date: 
18 Jan 2021
Reviewer's report:
1. Methodology of univariable and multivariable risk analysis for OS and RFS
should be described in the Methods section in the revised manuscript. Inclusion
criteria of the variables in multivariable analysis should also be described.
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Is the study design appropriate to answer the research question (including the use
of appropriate controls), and are the conclusions supported by the evidence
presented?
Yes
Are the methods sufficiently described to allow the study to be repeated?
No
Is the use of statistics and treatment of uncertainties appropriate?
Yes
Is the presentation of the work clear?
No
Are the images in this manuscript (including electrophoretic gels and blots) free
from apparent manipulation?
No