Table 5. Absolute Regional Oxygen Extraction Fraction (%) Values of Region-of-interest–defined Structures during Each Ketamine Target Concentration Level
Statistically significant differences between the ketamine target concentration levels and baseline are shown (*P < 0.05, †P < 0.01, ‡P < 0.001). Values are given as group mean ± SD.
ANOVA = analysis of variance; NS = not significant.
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