Faecal | Serum | r | p |
---|---|---|---|
Acetic acid | IPA | 0.564 | 0.001 |
 | IS | 0.511 | 0.004 |
 | Melatonin | − 0.549 | 0.001 |
Propionic acid | IS | 0.607 | < 0.001 |
Isobutyric acid | IS | 0.568 | 0.001 |
 | Melatonin | − 0.514 | 0.003 |
Isovaleric acid | Melatonin | − 0.528 | 0.002 |
Valeric acid | Melatonin | − 0.543 | 0.002 |
IAA-Ala | Butyric acid | − 0.602 | < 0.001 |