Table 2.
Spearman's rank correlation
| Spearman Correlation | p-value | % variance explained | |
|---|---|---|---|
| Hypoxanthine | 0.40 | <0.0001 | 16.20 |
| Aspartic acid | 0.30 | 0.0001 | 9.18 |
| Pyroglutamic acid | 0.29 | 0.0001 | 8.34 |
| 2-methyl-Malic acid | 0.27 | 0.0004 | 7.21 |
| NA 1033 (trisaccharide) | -0.27 | 0.0004 | 7.05 |
| NA 1034 | -0.23 | 0.0026 | 5.23 |
| NA 1052 (carbohydrate) | -0.22 | 0.0046 | 4.64 |
| Myo-inositol | 0.21 | 0.0052 | 4.51 |
| NA 1027 (sterol phosphate) | 0.21 | 0.0061 | 4.34 |
| Threonic acid | 0.21 | 0.0063 | 4.31 |
| NA 997 (Uridine-5'-monophosphate) | 0.20 | 0.0078 | 4.09 |
| Glutamic acid | 0.19 | 0.0104 | 3.80 |
| NA 831 | 0.19 | 0.0119 | 3.67 |
| NA 653 | 0.18 | 0.0179 | 3.25 |
| Ketopentose | 0.18 | 0.0181 | 3.24 |
| Fucose | 0.18 | 0.0192 | 3.18 |
| Uracil | 0.18 | 0.0213 | 3.08 |
| Fructose | -0.17 | 0.0233 | 2.99 |
| NA 631 (D-Glucopyranose) | -0.17 | 0.0235 | 2.98 |
| NA 613 | 0.17 | 0.0251 | 2.91 |
| NA 597 (pyranose) | -0.16 | 0.0312 | 2.70 |
| Isoleucine | 0.16 | 0.0358 | 2.57 |
| NA 275 | 0.16 | 0.0379 | 2.51 |
| NA 639 | 0.16 | 0.0388 | 2.49 |
| NA 442 | 0.16 | 0.0395 | 2.47 |
| NA 560 | 0.16 | 0.0402 | 2.45 |
| NA 854 (carbohydrate) | 0.16 | 0.0413 | 2.43 |
| Tartaric acid | 0.15 | 0.0429 | 2.39 |
| Fructose | -0.15 | 0.0466 | 2.31 |
| NA 632 | -0.15 | 0.0486 | 2.27 |
Spearman's rank correlation coefficient, p-values and % of explained variance for all metabolites significantly correlated with Δglucose (significance level α = 0.05). Not yet identified metabolites are marked with NA, putative biochemical structures are given in round brackets.