Table 2.

Counts of total anaerobes, facultative anaerobes, bifidobacteria, and Bacteroides in the cecal and fecal microbiota of eight healthy humans

OrganismCounts (log 10 CFU/ml − means, ± SE) in:P value
CecumFeces
Total anaerobes8.0 ± 0.2210.4 ± 0.120.02
Facultative anaerobes7.4 ± 0.237.8 ± 0.290.38
Bifidobacteria6.7 ± 0.458.9 ± 0.220.02
Bacteroides 7.4 ± 0.338.9 ± 0.420.05