Differences in the gut microbiome by physical activity and BMI among colorectal cancer patients/Experiment 3
From BugSigDB
Reviewed Marked as Reviewed by Atrayees on 2023-6-1
Subjects
- Location of subjects
- Germany
- 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
- Feces Cow dung,Cow pat,Droppings,Dung,Excrement,Excreta,Faeces,Fecal material,Fecal matter,Fewmet,Frass,Guano,Matières fécales@fr,Merde@fr,Ordure,Partie de la merde@fr,Piece of shit,Porción de mierda@es,Portion of dung,Portion of excrement,Portion of faeces,Portion of fecal material,Portion of fecal matter,Portion of feces,Portion of guano,Portion of scat,Portionem cacas,Scat,Spoor,Spraint,Stool,Teil der fäkalien@de,Feces,feces
- Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
- Body mass index BMI,Quetelet's Index,Body mass index,body mass index
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Normal weight patients
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Obese patients
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Patients with a BMI greater than 30 kg/m2
- Group 0 sample size Number of subjects in the control (unexposed) group
- 59
- Group 1 sample size Number of subjects in the case (exposed) group
- 44
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- 4 weeks
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
- Wald Test
- 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
- sex, Confounders controlled for: "study site" is not in the list (abnormal glucose tolerance, acetaldehyde, acute graft vs. host disease, acute lymphoblastic leukemia, acute myeloid leukemia, adenoma, age, AIDS, alcohol consumption measurement, alcohol drinking, ...) of allowed values.study site, Confounders controlled for: "neoadjuvant treatment" is not in the list (abnormal glucose tolerance, acetaldehyde, acute graft vs. host disease, acute lymphoblastic leukemia, acute myeloid leukemia, adenoma, age, AIDS, alcohol consumption measurement, alcohol drinking, ...) of allowed values.neoadjuvant treatment, Confounders controlled for: "stage at diagnosis" is not in the list (abnormal glucose tolerance, acetaldehyde, acute graft vs. host disease, acute lymphoblastic leukemia, acute myeloid leukemia, adenoma, age, AIDS, alcohol consumption measurement, alcohol drinking, ...) of allowed values.stage at diagnosis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- decreased
- Simpson Estimator of species richness and species evenness: more weight on species evenness
- decreased
- Richness Number of species
- decreased
Signature 1
Reviewed Marked as Reviewed by Atrayees on 2023-6-1
Source: Table 2
Description: Differential abundance (mean normalized counts) at genus level in obese group VS normal weight group
Abundance in Group 1: increased abundance in Obese patients
NCBI | Quality Control | Links |
---|---|---|
Ruminococcus |
Revision editor(s): Atrayees, Deacme, ChiomaBlessing
Signature 2
Reviewed Marked as Reviewed by Atrayees on 2023-6-1
Source: Table 2
Description: Differential abundance (mean normalized counts) at genus level in obese group VS normal weight group
Abundance in Group 1: decreased abundance in Obese patients
NCBI | Quality Control | Links |
---|---|---|
Adlercreutzia | ||
Clostridium | ||
Succinivibrio |
Revision editor(s): Atrayees, Deacme, ChiomaBlessing