Table 4.
Multiple linear regression model for irritable bowel syndrome symptom severity scale score
| Metabolites |
Unstandardized coefficients |
Standard-ized coefficie-nts β | t | P value |
Collinearity statistics |
||
| b | SE | Tolerance | VIF | ||||
| Hexanoate1 | 116.194 | 29.961 | 0.420 | 3.878 | 0.001 | 0.903 | 1.107 |
| Fumarate1 | -1733.224 | 490.683 | -0.383 | -3.532 | 0.002 | 0.902 | 1.108 |
| Pyruvate1 | 140.381 | 28.619 | 0.528 | 4.905 | < 0.001 | 0.915 | 1.092 |
| Asp | -15.303 | 7.943 | -0.221 | -1.927 | 0.066 | 0.807 | 1.240 |
| Tyr1 | 60.960 | 15.019 | 0.763 | 4.059 | < 0.001 | 0.300 | 3.333 |
| Val1 | -82.922 | 26.139 | -0.626 | -3.172 | 0.004 | 0.272 | 3.671 |
1
Metabolite which was correlated with irritable bowel syndrome symptom severity scale score (P< 0.01); SE: Standard error; VIF: Variance inflation factor.