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. 2023 Jan 2;27:100584. doi: 10.1016/j.bbih.2022.100584

Table 2a.

Group differences of kynurenine metabolites or ratios (ANCOVA) with age, gender and current psychotropic medication use as cofactors.

Controls (n = 185)
BD acute (n = 205)
BD stable (n = 116)
SCZ acute (n = 111)
SCZ stable (n = 75)

Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD) F FDR P-value
TRP (uM) N = 591 63.22 (13.09) 54.85 (17.03) 58.85 (18.66) 59.87 (17.52) 65.66 (17.73) 6.91 .001
KYN (uM) N = 591 2.43 (.55) 2.38 (.77) 2.39 (.74) 2.19 (.67) 2.36 (.66) 3.06 .002
KA (nM) N = 591 68.71 (30.22) 63.00 (33.87) 71.86 (32.39) 56.25 (25.59) 64.92 (23.73) 5.71 <.001
QUINA (nM) N = 591 11.43 (5.54) 8.76 (5.40) 12.46 (7.24) 7.60 (3.75) 11.22 (6.18) 19.36 <.001
XA (nM) N = 591 314.96 (53.04) 277.80 (69.39) 287.16 (60.84) 288.31 (61.29) 309.41 (61.64) 8.92 <.001
PICO (nM) N = 591 58.14 (20.39) 61.99 (26.57) 68.68 (29.75) 64.06 (28.48) 61.41 (26.49) 2.48 .052
QUINO (nM) N = 442 101.37 (40.38) 86.92 (52.04) 96.49 (46.17) 75.66 (38.60) 91.87 (40.59) 4.93 .001
KYN/TRP N = 692 0.040 (0.011) 0.046 (0.019) 0.043 (0.014) 0.039 (0.017) 0.038 (0.014) 5.17 <.001
KA/KYN N = 692 29.42 (14.78) 28.91 (19.32) 32.40 (16.94) 27.07 (13.19) 29.11 (11.85) 2.09 .088
XA/KYN N = 692 132.99 (28.17) 124.88 (38.03) 126.55 (31.30) 139.78 (39.42) 136.79 (29.69) 3.07 .022
QUINO/KA N = 522 1.96 (1.51) 1.78 (1.51) 1.72 (1.53) 1.80 (1.46) 1.71 (1.11) 0.51 .729