Table 2b.
Group differences of kynurenine metabolites or ratios (ANCOVA) with age and gender as standard cofactors. Current psychotropic medication was used as cofactor in the ANCOVAs of SCZ-BD and acute-stable patients.
| Controls (n = 185) |
All patients (n = 507) |
Acute patients |
Stable patients |
BD |
SCZ |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean (SD) | Mean (SD) | F | FDR P-value | Mean (SD) | Mean (SD) | F | FDR P-value | Mean (SD) | Mean (SD) | F | FDR P-value | |
| TRP (uM) | 63.22 (13.09) | 58.46 (17.95) | 9.04 | .007 | 56.61 (17.34) | 61.52 (18.55) | 11.15 | .005 | 58.82 (59.35) | 59.35 (18.08) | .672 | .649 |
| KYN (uM) | 2.43 (.55) | 2.34 (.73) | 5.11 | .044 | 2.32 (.74) | 2.38 (.71) | 0.37 | .542 | 2.41 (.67) | 2.30 (.71) | 4.77 | .081 |
| KA (nM) | 68.71 (30.22) | 63.83 (30.88) | 5.83 | .035 | 60.63 (31.34) | 69.14 (29.42) | 6.33 | .045 | 65.71 (32.28) | 64.23 (30.23) | 0.16 | .692 |
| QUINA (nM) | 11.43 (5.54) | 9.72 (5.40) | 15.23 | .001 | 8.35 (4.91) | 11.98 (6.85) | 30.77 | .001 | 10.03 (5.62) | 10.08 (6.28) | 1.52 | .400 |
| XA (nM) | 314.96 (53.04) | 286.92 (65.30) | 26.29 | <.001 | 281.49 (66.75) | 295.90 (61.96) | 3.86 | .092 | 295.43 (64.81) | 287.72 (60.93) | 0.20 | .719 |
| PICO (nM) | 58.14 (20.39) | 63.89 (27.79) | 4.40 | .057 | 62.72 (27.23) | 65.85 (28.68) | 1.19 | .276 | 60.16 (24.00) | 66.42 (29.16) | 6.05 | .078 |
| QUINO (nM) | 101.37 (40.38) | 87.11 (46.75) | 11.31 | 0.003 | 82.83 (47.82) | 94.67 (43.96) | 5.94 | .034 | 93.87 (47.27) | 85.77 (43.58) | 1.17 | .310 |
| KYN/TRP | 0.040 (0.011) | 0.043 (0.017) | 1.90 | .231 | 0.044 (0.018) | .041 (.014) | 6.24 | .035 | 0.043 (.016) | 0.041 (.016) | 6.89 | .098 |
| KA/KYN | 29.42 (14.78) | 29.34 (16.65) | 0.07 | .788 | 28.26 (17.41) | 31.11 (15.19) | 2.00 | .248 | 29.15 (17.29) | 29.79 (15.42) | 0.27 | .833 |
| XA/KYN | 132.99 (28.17) | 130.29 (36.24) | 0.13 | .791 | 130.11 (39.11) | 130.57 (31.01) | 0.02 | .882 | 129.20 (33.98) | 133.02 (36.04) | 5.06 | .091 |
| QUINO/KA | 1.96 (1.51) | 1.76 (1.45) | 1.06 | .371 | 1.78 (1.72) | 1.72 (1.37) | .103 | .823 | 1.87 (1.76) | 1.51 (1.49) | 0.23 | .774 |