The association between vaginal bacterial composition and miscarriage: a nested case-control study/Experiment 1

From BugSigDB


Reviewed Marked as Reviewed by Fatima on 2021/10/20

Curated date: 2021/10/14

Curator: Titas

Revision editor(s): Fatima, Titas, WikiWorks

Subjects

Location of subjects
United Kingdom
Host species Species from which microbiome was sampled. Contact us to have more species added.
Homo sapiens
Body site Anatomical site where microbial samples were extracted from according to the Uber Anatomy Ontology
Posterior fornix of vagina Pars posterior fornicis vaginae,Posterior fornix,Posterior part of fornix of vagina,Posterior fornix of vagina,posterior fornix of vagina
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Spontaneous abortion Abortion, spontaneous,Spontaneous abortion,spontaneous abortion
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Viable control pregnancy
Group 1 name Corresponds to the case (exposed) group for case-control studies
First or second-trimester miscarriage
Group 0 sample size Number of subjects in the control (unexposed) group
81
Group 1 sample size Number of subjects in the case (exposed) group
77

Lab analysis

Sequencing type
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
V1-V2
Sequencing platform Manufacturer and experimental platform used for quantifying microbial abundance
Illumina

Statistical Analysis

Statistical test
Chi-Square
Significance threshold p-value or FDR threshold used for differential abundance testing (if any)
0.05
Matched on Factors on which subjects have been matched on in a case-control study
age, body mass index, gestational age

Alpha Diversity

Inverse Simpson Modification of Simpsons index D as 1/D to obtain high values in datasets of high diversity and vice versa
increased
Richness Number of species
increased

Signature 1

Reviewed Marked as Reviewed by Fatima on 2021/10/20

Curated date: 2021/10/14

Curator: Titas

Revision editor(s): Titas

Source: Figure 2A

Description:

Abundance in Group 1: decreased abundance in First or second-trimester miscarriage

NCBI Quality ControlLinks
Lactobacillus sp.

Revision editor(s): Titas