Factors Associated With the Microbiome in Moderate-Late Preterm Babies: A Cohort Study From the DIAMOND Randomized Controlled Trial/Experiment 20

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Curated date: 2024/04/01

Curator: Scholastica

Revision editor(s): Scholastica

Subjects

Location of subjects

New Zealand

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

Spontaneous preterm birth Spontaneous preterm birth,spontaneous preterm birth

Group 0 name Corresponds to the control (unexposed) group for case-control studies

No Infant Antibiotics (4M)

Group 1 name Corresponds to the case (exposed) group for case-control studies

Yes Infant Antibiotics (4M)

Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group

Infant use of antibiotics within the one month preceding the 4-month follow-up appointment

Group 0 sample size Number of subjects in the control (unexposed) group

89

Group 1 sample size Number of subjects in the case (exposed) group

4

Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)

N/A

Lab analysis

Sequencing type

WMS

16S variable region One or more hypervariable region(s) of the bacterial 16S gene

Not specified

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

MaAsLin2

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

Alpha Diversity

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

increased