Review for 10.1186/s12876-021-01630-x (2021)

Reviewer’s report
Title: 
Clinical efficacy of fecal microbiota transplantation for patients with small
intestinal bacterial overgrowth —A randomized, placebo-controlled trial study
Version: 
1 
Date: 
27 Nov 2020
Reviewer's report:
Thank you for your attention to the revisions. Very nice presentation of the
GSRS syndromes!
Some final suggested edits - Table 1 - as mentioned in my first review, I would
suggest consistent and meaningful use of significant figures (rounding needed)
when reporting age, weight and BMI. e.g Age 40.3 +/- 6.3, Weight 60.1 +/- 3.9
and BMI 21.7 +/- 2.0 and the same revisions of the other columns of age, weight
and BMI.
"Beyond that, probiotics can be used to help restore
the gut microbial ecosystem, with a curative effect of 62.8% [9]" This sentence
still read as it is the probiotics that are curative. Perhaps rephrase "with a curative
effect with the antibiotic of"
Regarding the 16S - reference is needed for the database used.
Image quality and readability for Fig 4 D remains an issue to be resolved.
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