Table 2.
Fecal short-chain fatty acid concentrations (µmol/g dry content) of young adults (n = 52) and elderly (n = 48) at baseline.
| Young Adults (n = 52) | Elderly (n = 48) | p-Value * | |||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Acetic acid | 225.9 | 187.6 | 201.6 | 145.2 | 0.469 |
| Propionic acid | 71.1 | 66.4 | 58.1 | 53.2 | 0.281 |
| Butyric acid | 59.2 | 45.0 | 56.6 | 49.8 | 0.785 |
| Valeric acid | 8.4 | 6.4 | 9.3 | 6.7 | 0.473 |
| Isobutyric acid | 6.8 | 3.7 | 7.2 | 6.0 | 0.715 |
| Isovaleric acid | 10.6 | 5.6 | 11.1 | 9.0 | 0.729 |
* Differences between age groups were tested by independent-sample T Tests. SD, standard deviation.