Table 4. Comparison of C. coccoides group populations among different groups.
| Bacteria | Young children (3.2±0.1 years old, n = 32) | Adults (39±11 years old, n = 32) | Elderly (82±6 years old, n = 32) | |||
|---|---|---|---|---|---|---|
| Bacterial counts a (log10 cells/g feces) | Prevalence(%) | Bacterial counts (log10 cells/g feces) | Prevalence(%) | Bacterial counts (log10 cells/g feces) | Prevalence(%) | |
| Clostridium coccoides group | 9.8 ± 0.3 | 100 | 10.0 ± 0.5 b | 100 | 9.3 ± 0.9 c , d | 100 |
| Sum of 22 subgroups/species | 9.7 ± 0.3 | 100 | 9.8 ± 0.4 | 100 | 9.3 ± 0.8 | 100 |
| Eubacterium ventriosum | 7.7 ± 0.5 | 22 | 7.9 ± 0.5 b | 59 e | 7.9 ± 0.8 d | 9 g |
| Eubacterium hallii | 7.6 ± 1.1 | 66 | 8.1 ± 0.8 b | 88 | 7.8 ± 1.1 d | 34 f , g |
| Coprococcus eutactus | 8.2 | 3 | ND h | 0 | ND | 0 |
| Eubacterium eligens | 8.6 ± 0.8 | 41 | 8.3 ± 0.8 | 41 | 7.4 ± 1.0 c , d | 16 |
| Eubacterium rectale | 8.4 ± 0.7 | 47 | 8.4 ± 0.7 | 66 | 6.1 ± 0.6 d | 47 |
| Eubacterium ramulus | ND | 0 | 7.5 ± 0.6 b | 41 e | ND d | 0 g |
| Genus Blautia | 9.4 ± 0.4 | 100 | 9.3 ± 0.5 | 100 | 8.9 ± 0.9 c | 100 |
| Clostridium symbiosum | 7.0 ± 0.6 | 97 | 6.7 ± 0.6 b | 53 e | 7.2 ± 0.6 d | 94 g |
| Fuscicatenibacter saccharivorans | 8.4 ± 0.9 | 53 | 8.8 ± 0.6 b | 88 e | 7.5 ± 0.7 c , d | 16 f , g |
| Clostridium asparagiforme | 7.2 ± 0.5 | 47 | 6.2 ± 0.4 | 50 | 7.4 ± 0.6 c , d | 97 f , g |
| Clostridium hathewayi | 6.8 ± 0.7 | 66 | 6.7 ± 0.7 | 50 | 7.0 ± 0.8 | 72 |
| Clostridium indolis subgroup | ND | 0 | ND | 0 | 5.8 | 3 |
| Ruminococcus gnavus | 8.6 ± 0.8 | 100 | 8.1 ± 0.9 | 97 | 8.3 ± 0.9 | 91 |
| Anaerostipes caccae | 7.3 ± 1.1 | 94 | 6.8 ± 0.9 b | 59 e | 7.9 ± 1.1 d | 88 g |
| Roseburia intestinalis | 8.1 ± 1.0 | 47 | 6.9 ± 0.8 | 38 | 7.7 ± 0.8 c , d | 9 f , g |
| Coprococcus comes | 6.3 ± 0.7 | 41 | 6.7 ± 0.6 b | 66 | 6.1 ± 0.5 d | 38 |
| Clostridium nexile | 7.5 ± 0.9 | 94 | 7.1 ± 0.8 b | 34 e | 7.1 ± 0.8 c | 50 f |
| Genus Dorea | 8.6 ± 0.3 | 22 | 8.2 ± 0.6 b | 88 e | 8.0 ± 1.1 d | 16 g |
| Clostridium scindens | 8.2 ± 0.7 | 56 | 6.8 ± 0.8 | 53 | 8.8 ± 0.6 c , d | 94 f , g |
| Clostridium hylemonae | 6.9 ± 0.8 | 9 | 6.0 | 3 | 6.7 ± 0.6 c , d | 38 f , g |
| Ruminococcus torques | 7.6 ± 1.2 | 84 | 6.8 ± 0.8 | 91 | 8.7 ± 0.6 c , d | 94 |
| Ruminococcus lactaris | 8.8 | 3 | 8.2 ± 0.9 b | 25 | 6.3 ± 0.9 | 19 |
a Data are expressed as the means and standard deviations.
b Indicates a significant difference between young children and adults with Steel-Dwass test (P<0.05)
c Indicates a significant difference between young children and elderly with Steel-Dwass test (P<0.05)
d Indicates a significant difference between adults and elderly with Steel-Dwass test (P<0.05)
e Indicates a significant difference between young children and adults with Fisher's exact probability test after Holm correction (P<0.05)
f Indicates a significant difference between young children and elderly with Fisher's exact probability test after Holm correction (P<0.05)
g Indicates a significant difference between adults and elderly with Fisher's exact probability test after Holm correction (P<0.05)
h Not detected