Research Article
Expression Pattern and Clinicopathological Relevance of the Indoleamine 2,3-Dioxygenase 1/Tryptophan 2,3-Dioxygenase Protein in Colorectal Cancer
Table 3
Association of serum Kyn and Trp levels and clinical parameters of CRC patients.
| Parameters | Kyn (nM) | value | Trp (M) | p value |
| Age | | | | | ≦65 | 2244.16 ± 993.16 | 0.045 | 56.84 ± 17.50 | 0.198 | >65 | 2950.58 ± 2007.58 | | 53.67 ± 18.45 | | Gender | | | | | Female | 2631.06 ± 2078.19 | 0.073 | 54.20 ± 20.27 | 0.482 | Male | 2592.51 ± 924.06 | | 56.30 ± 15.07 | | Stage | | | | | Early | 2574.66 ± 1167.26 | 0.629 | 57.62 ± 21.73 | 0.453 | Late | 2631.33 ± 1824.91 | | 54.02 ± 15.95 | | T factor | | | | | 1 and 2 | 2064.54 ± 724.21 | 0.202 | 63.13 ± 15.93 | 0.052 | 3 and 4 | 2714.12 ± 1736.76 | | 53.72 ± 18.03 | | N factor | | | | | 0 | 2346.26 ± 974.23 | 0.444 | 59.31 ± 19.74 | 0.063 | 1 and 2 | 2767.54 ± 1908.39 | | 52.79 ± 16.57 | | M factor | | | | | 0 | 2526.99 ± 1407.94 | 0.548 | 55.65 ± 17.91 | 0.747 | 1 | 3080.34 ± 2568.14 | | 52.64 ± 18.78 | | IDO1 | | | | | − | 2756.97 ± 1804.15 | 0.459 | 53.77 ± 15.04 | 0.683 | + | 2525.70 ± 1534.37 | | 56.04 ± 19.61 | | TDO2 | | | | | − | 2483.46 ± 998.84 | 0.685 | 52.88 ± 14.86 | 0.356 | + | 2703.55 ± 1966.34 | | 56.79 ± 19.83 | | MSI | | | | | Low | 2476.90 ± 1773.02 | 0.037 | 56.06 ± 18.04 | 0.291 | High | 3102.20 ± 1322.23 | | 58.88 ± 15.36 | |
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