Table 6.
Multiple linear regression model for maximum tolerable threshold
| Groups | Metabolites |
Unstandardized coefficients |
Standar-dized coeffici-ents β | t | P value |
Collinearity statistics |
||
| b | SE | Tolerance | VIF | |||||
| IBS-D | Isovalerate2 | 5.451 | 1.824 | 1.525 | 2.989 | 0.006 | 0.099 | 10.132 |
| Valerate1 | -2.171 | 0.946 | -1.171 | -2.295 | 0.030 | 0.099 | 10.132 | |
| All subjects | Isohexanoate1 | -40.910 | 18.695 | -0.317 | -2.188 | 0.034 | NA | NA |
1
Metabolite which was correlated with maximum tolerable threshold (P < 0.05).
2
Metabolite which was correlated with maximum tolerable threshold (P < 0.01); SE: Standard error; VIF: Variance inflation factor; IBS-D: Irritable bowel syndrome with predominant diarrhea; NA: Not applicable.