Table 3.
Plasma amino acid concentrations
| Amino acid (μmol/l) | Insulin AUC quartile | IFG | IGT | |||
|---|---|---|---|---|---|---|
| Q1 | Q2 | Q3 | Q4 | |||
| Alanine | 278.2 (56.6) | 294.0 (81.4) | 285.2 (91.2) | 300.8 (91.4) | 286.9 (42.4) | 311.1 (67.0) |
| Glycine | 227.1 (52.7) | 221.4 (58.4) | 217.5 (60.3) | 229.0 (80.0) | 215.5 (45.8) | 191.4 (77.7) |
| Valine | 229.9 (61.0) | 212.6 (66.2) | 206.0 (52.2) | 216.8 (69.6) | 223.9 (66.6) | 229.7 (68.6) |
| Leucine | 126.6 (28.1) | 112.5 (31.2) | 109.9 (29.9) | 119.8 (31.9) | 114.8 (30.7) | 128.8 (32.7) |
| Isoleucine | 60.5 (15.1) | 55.5 (14.7) | 53.1 (14.3) | 57.8 (16.8) | 56.1 (15.7) | 64.5 (24.3) |
| Proline | 152.9 (63.5) | 160.2 (81.7) | 143.0 (46.6) | 165.0 (71.6) | 176.2 (72.4) | 141.8 (59.3) |
| Methionine | 23.4 (6.5) | 23.1 (6.5) | 22.8 (6.5) | 23.7 (5.4) | 23.8 (5.8) | 22.5 (4.6) |
| Serine | 99.0 (17.2) | 100.5 (26.6) | 104.3 (26.2) | 100.7 (26.8) | 95.7 (23.2) | 93.6 (10.7) |
| Threonine | 124.7 (46.0) | 132.1 (40.2) | 130.0 (70.6) | 144.9 (70.0) | 146.5 (31.4) | 137.8 (32.6) |
| Phenylalanine | 59.3 (8.2) | 57.9 (12.0) | 58.0 (9.6) | 62.1 (14.3)‡ | 61.4 (4.2) | 63.4 (15.3) |
| Aspartate | 2.0 (4.3) | 2.1 (4.1) | 2.7 (2.3) | 3.8 (5.2)*† | 2.7 (3.0) | 3.0 (2.1) |
| Glutamate | 22.0 (24.0) | 28.1 (41.0) | 25.3 (26.3) | 52.7 (74.9)*‡ | 26.2 (8.7) | 50.4 (43.9) |
| Glutamine | 513.6 (118.8) | 490.7 (88.2) | 482.4 (107.0) | 455.2 (88.1)* | 488.2 (68.0) | 434.1 (66.4) |
| Tyrosine | 61.6 (16.6) | 63.9 (22.3) | 58.1 (23.3) | 65.1 (30.9) | 65.4 (16.7) | 66.8 (23.9) |
| Total BCAA | 415.1 (107.9) | 382.6 (101.0) | 369.8 (92.1) | 391.9 (126.5) | 403.0 (86.4) | 427.7 (126.8) |
Data are median (interquartile range)
*p < 0.05 vs Q1
†p < 0.05 vs Q2
‡p < 0.05 vs Q3