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. 2023 Oct 3;22:164. doi: 10.1186/s12944-023-01929-6

Table 2.

Spearman correlation coefficients of fecal SCFA and urinary 3-indoxyl sulfate levels (normalized to urinary creatinine) of patients with IBD. * P < 0.05, *** P < 0.001

Metabolite Acetate Propionate Butyrate Isobutyrate
Acetate - 0.743*** 0.793*** 0.317*
Propionate 0.743*** - 0.701*** 0.602***
Butyrate 0.793*** 0.701*** - 0.496***
Isobutyrate 0.317* 0.602*** 0.496*** -
3-Indoxyl Sulfate -0.166 -0.265 -0.118 -0.111