Table 4.

Differentially abundant OTUs (unadjusted p ≤ 0.05) present in the gut microbiome post-intervention, comparing consumption of inulin alone (reference) to calcium alone or combined (n = 9).

OTU	Phylum	Genus; Species	Coef 1	SE	p-Value 2	q-Value 3
Comparison: Calcium vs. Inulin (reference)
OTU125	Firmicutes	Butyricicoccus;	0.366	0.161	0.038	0.858
OTU20	Firmicutes	Streptococcus;	−0.582	0.260	0.040	0.858
OTU170	Firmicutes	Christensenellaceae_R-7_group;	0.375	0.171	0.044	0.858
OTU21	Firmicutes	Anaerostipes; hadrus	−0.360	0.167	0.048	0.858
Comparison: Combined vs. Inulin (reference)
OTU89	Bacteroidetes	Bacteroides;	0.721	0.228	0.006	0.858
OTU300	Bacteroidetes	Odoribacter; splanchnicus	0.508	0.181	0.013	0.858
OTU6	Actinobacteria	Bifidobacterium;	−0.669	0.250	0.017	0.858
OTU158	Bacteroidetes	Alistipes; putredinis	0.609	0.232	0.019	0.858
OTU26	Firmicutes		0.611	0.239	0.022	0.858
OTU3	Firmicutes	Anaerostipes; hadrus	−0.307	0.129	0.031	0.858
OTU21	Firmicutes	Anaerostipes; hadrus	−0.397	0.167	0.031	0.858
OTU47	Firmicutes	Roseburia; intestinalis	−0.473	0.207	0.037	0.858
OTU189	Firmicutes	Veillonella;	0.812	0.356	0.037	0.858
OTU170	Firmicutes	Christensenellaceae_R-7_group;	0.371	0.171	0.047	0.858
OTU65	Firmicutes	CAG-352;	0.443	0.206	0.048	0.858
OTU39	Firmicutes		−0.202	0.095	0.050	0.858

¹ A negative coefficient implies a decrease in the associated taxon. ² p-values are unadjusted (nominal significance of this association). ³ q-values for significance produced using the Benjamini–Hochberg method for decreasing false discovery rate. Abbreviations: Coef, coefficient; SE, standard error.