Review for 10.1186/s12876-022-02399-3 (2022)

Reviewer’s report
Title: 
Subjective factors affecting prognosis of 469 patients with esophageal
squamous cell carcinoma: A retrospective cohort study of endoscopic screening
Version: 
0 
Date: 
03 May 2022
Reviewer's report:
I thank the Editor for asking me to review this interesting and original paper.
The design is simple and well exposed; the results are supported by the
methodology.
I would suggest just a few major revisions:
1- I would introduce in the title 'subjective factors affecting…..';
2- the Discussion should be rewritten in a more orderly way;
3- the text needs a linguistic revision.
Minor revisions are indicated in the attached file.
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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?
Yes
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?
Yes