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. Author manuscript; available in PMC: 2023 Jun 14.
Published in final edited form as: Psychoneuroendocrinology. 2019 Sep 5;110:104434. doi: 10.1016/j.psyneuen.2019.104434

Table 3.

Mean Levels of IL-6, ECs and KP Metabolites

Healthy Study Participants (HSP: N= 56) Psychiatric Study Participants (PSP: N= 96) P-Value Group Differences
IL-6 (pg/mL) 1.42 ± 1.41 1.15 ± 1.60 p = 0.6581 HSP = PSP
2-AG (nmol/L) 43.96 ± 28.09 38.65 ± 25.70 p = 0.8021 HSP = PSP
AEA (nmol/L) 1.09 ± 0.48 1.12 ± 0.54 p = 0.6682 HSP = PSP
TRP (umol/L) 81.70 ± 10.71 41.90 ± 24.35 p = 0.0671 HSP = PSP
KYN (umol/L) 1.98 ± 0.80 1.60 ± 1.14 p = 0.0311 HSP > PSP
KYNA (nmol/L) 39.53 ± 17.92 39.67 ± 18.04 p = 0.2812 HSP = PSP
QUIN (nmol/L) 203.56 ± 97.46 181.32 ± 87.99 p = 0.1582 HSP = PSP
PIC (nmol/L) 90.24 ± 73.33 114.81 ± 86.62 p = 0.6621 HSP = PSP

All values are reported as the mean ± SD.

1

ANCOVA on log transformed values;

2

ANCOVA on non-transformed values (with age, sex, race, SES as covariates)