|  | PBC (n = 45) | PSC (n = 27) | HCV (n = 22) | controls |
---|---|---|---|---|---|
Aromatic amino acids | Tyrosine (mean ± SD) | 76 ± 26 p = 0.0002 | 69 ± 24 p = 0.07 | 73 ± 25 p = 0.01 | 62 ± 14.4 |
 | Phenylalanine (mean ± SD) | 65 ± 15 p < 0.0001 | 59 ± 11 p = 0.11 | 54 ± 8 p = 0.26 | 56 ± 6.9 |
 | Tryptophan (mean ± SD) | 39 ± 8 p < 0.0001 | 43 ± 11 p = 0.085 | 40 ± 8 p = 0.0003 | 46 ± 6.1 |
Branched chain amino acids | Valine (mean ± SD) | 211 ± 47 p = 0.002 | 208 ± 42 p = 0.002 | 232 ± 45 p = 0.56 | 238 ± 41.7 |
 | Isoleucine (mean ± SD) | 55 ± 16 p < 0.0001 | 53 ± 13 p < 0.0001 | 67 ± 19 p = 0.51 | 70 ± 18.8 |
 | Leucine (mean ± SD) | 107 ± 30 p < 0.0001 | 101 ± 25 p < 0.0001 | 119 ± 28 p = 0.053 | 132 ± 27.1 |
Calculated ratio's | Tryptophan-ratio (mean ± SD) | 7.7 ± 1.5 p = 0.02 | 8.9 ± 1.8 p = 0.051 | 7.5 ± 1.0 p = 0.004 | 8.3 ± 1.14 |
 | Tyrosine-ratio (mean ± SD) | 16.3 ± 6.5 p < 0.0001 | 15.1 ± 5.0 p < 0.0001 | 14.0 ± 3.5 p < 0.0001 | 11.4 ± 2.17 |