Table 4.

Populations of bifidobacteria in fecal samples

SubjectBifidobacterial population (log10 bacteria/g)
Control period (n = 6)Test period (n = 6)Posttest period (n = 3)
19.7 (0.1)a9.7 (0.1)b9.8c
29.7 (0.2)9.7 (0.1)9.4 (0.1)
3d9.6 (0.1)9.2 (0.1)8.8 (0.1)
49.9 (0.1)9.7 (0.1)9.3 (0.1)
59.7 (0.1)9.9 (0.1)9.2 (0.7)
69.5 (0.1)9.2 (0.1)9.2 (0.2)
79.6 (0.1)9.4 (0.1)9.3 (0.2)
810.2 (0.1)10.3 (0.6)b9.7c
99.7 (0.1)9.1 (0.1)9.1 (0.2)
10e9.4 (0.1)9.9 (0.1)9.8 (0.1)
  • a Mean (standard error of the mean).

  • b n = 2.

  • c n = 1.

  • d The control and posttest period values for subject 3 are different (Welch's modification of t test; P = 0.0073).

  • e The control and test period values for subject 10 are different (P = 0.0006).