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Table 3 Results of multivariate regression analysis performed for identifying significant covariates of blood ammonia concentrations

From: Association between the blood concentrations of ammonia and carnitine/amino acid of schizophrenic patients treated with valproic acid

constituent Unit Total (n = 37)
Estimate F value p value
Dose of VPA mg/day 0 0.53 0.49
VPA concentration μg/mL 0 1.13 0.32
Free Carnitine μmol/L 0 0.14 0.72
Acyl-Carnitine μmol/L 0 0.07 0.80
Cysteine nmol/mL 0.26 6.01 0.04*
Ethanolamine nmol/mL −5.45 21.03 <0.01*
Glutamate nmol/mL 0.15 34.07 <0.01*
Valine nmol/mL 0.09 14.46 <0.01*
α-amino-n-butyric acid nmol/mL −0.49 19.79 <0.01*
3-metyl-Histidine nmol/mL −1.57 20.63 <0.01*
  1. VPA: valproic acid
  2. *: p < 0.05