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Table 2 Network features of inter-omic analysis

From: Integrative analysis of the microbiome and metabolome of the human intestinal mucosal surface reveals exquisite inter-relationships

  q<0.2 q<0.1
  Cecum Sigmoid Cecum Sigmoid
Total interactions, number 605 1056 442 805
Unique microbial nodes, number 338 372 297 342
Unique metabolic nodes, number 95 147 87 142
Ratio of Firmicutes OTUs with metabolic correlations 34% 34% 30% 31%
Ratio of Bacteroidetes OTUs with metabolic correlations 18% 18% 16% 18%
Ratio of Proteobacteria OTUs with metabolic correlations 12% 24% 11% 22%
Ratio of Actinobacteria OTUs with metabolic correlations 25% 54% 20% 54%
Ratio of Tenericutes OTUs with metabolic correlations 24% 24% 19% 24%
Average number of interactions per OTU 1.8 2.8 1.5 2.4
Average number of interactions per metabolite 6.4** 7.2** 5.1** 5.7**
  1. **Mann–Whitney test, P <2 × 10-16 for comparison between interactions of operational taxonomic units (OTUs) and metabolites.
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