TABLE 6.

Ratios between the values in log₁₀ units of sorbitol-fermenting bifidobacteria and those of total bifidobacteria in human and animal samples

Tracera	No. of samples	Value					P valueb
		Minimum	Maximum	Mean	SD	Median
SFBIF/TBIF-H	54	0.7	1.0	0.91	0.05	0.92	<0.001
SFBIF/TBIF-A	56	0.0	1.0	0.08	0.20	0.01

^aLabels of tracers are shown in the list of variables in Table 2. H, samples of human origin; A, samples of animal origin.

^bValue of P from Student's t test.