TABLE 4.

Nonparametric Spearman correlations (R) between fecal short-chain fatty acid concentrations and copy numbers of bacteria¹

	Total SCFAs		Acetic acid		Propionic acid		Butyric acid
	R	P	R	P	R	P	R	P
Total bacteria	0.37	0.011	0.38	0.010	0.33	0.026	0.37	0.042
Bifidobacterium spp.	−0.23	0.112	−0.27	0.066	−0.17	0.234	−0.19	0.197
Faecalibacterium prausnitzii	−0.28	0.215	−0.17	0.105	−0.27	0.265	−0.20	0.246
Clostridium IV	0.26	0.074	0.25	0.083	0.17	0.234	0.29	0.047
Clostridium XIVa	0.26	0.074	0.27	0.066	0.19	0.197	0.29	0.047

¹Sample number = 24. SCFA, short-chain fatty acid.