Respiratory Tract Dysbiosis Is Associated with Worse Outcomes in Mechanically Ventilated Patients/Experiment 7

From BugSigDB


Reviewed Marked as Reviewed by Folakunmi on 2024-3-5

Curated date: 2023/06/23

Curator: Atrayees

Revision editor(s): Atrayees, Folakunmi

Subjects

Location of subjects
United States of America
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
Endothelium of trachea Endothelium of windpipe,Trachea endothelium,Windpipe endothelium,Endothelium of trachea,endothelium of trachea
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Acute respiratory failure acute respiratory failure,respiratory failure, acute,Acute respiratory failure
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Hyper-inflammatory subphenotype and mortality
Group 1 name Corresponds to the case (exposed) group for case-control studies
VFD (Ventilator free days)
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
clinical outcome stratifications by the number of days patients were ventilator-free
Group 0 sample size Number of subjects in the control (unexposed) group
103
Group 1 sample size Number of subjects in the case (exposed) group
60
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
none

Lab analysis

Sequencing type
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
V3-V4
Sequencing platform Manufacturer and experimental platform used for quantifying microbial abundance
Illumina

Statistical Analysis

Data transformation Data transformation applied to microbial abundance measurements prior to differential abundance testing (if any).
relative abundances
Statistical test
Logistic Regression
Significance threshold p-value or FDR threshold used for differential abundance testing (if any)
0.05
MHT correction Have statistical tests be corrected for multiple hypothesis testing (MHT)?
Yes
Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
age, chronic obstructive pulmonary disease, antibiotic exposure

Alpha Diversity

Shannon Estimator of species richness and species evenness: more weight on species richness
decreased

Signature 1

Reviewed Marked as Reviewed by Folakunmi on 2024-3-1

Curated date: 2023/06/23

Curator: Atrayees

Revision editor(s): Atrayees, Folakunmi

Source: Figure 4

Description: The relative abundance of individual genera is associated with clinical outcomes and host-response subphenotypes.

Abundance in Group 1: increased abundance in VFD (Ventilator free days)

NCBI Quality ControlLinks
Staphylococcus

Revision editor(s): Atrayees, Folakunmi

Signature 2

Reviewed Marked as Reviewed by Folakunmi on 2024-3-1

Curated date: 2023/06/23

Curator: Atrayees

Revision editor(s): Atrayees, Folakunmi

Source: Figure 4

Description: The relative abundance of individual genera is associated with clinical outcomes and host-response subphenotypes.

Abundance in Group 1: decreased abundance in VFD (Ventilator free days)

NCBI Quality ControlLinks
Haemophilus
Rothia
Gemella
Streptococcus
Prevotella

Revision editor(s): Atrayees, Folakunmi