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Table 3:  Comparison of median percent change in tCho/NAA ratios between the 5 different ROI groups
Enhance vs. Control Enhance vs. Nonenhance Enhance vs. Gray Enhance vs. White Nonenhance vs. Control Nonenhance vs. Gray Nonenhance vs. White Control vs. Gray Control vs. White White vs. Gray
P value .005 .03 .004 .006 .11 .008 .058 .91 .23 .039

Note:—The median percent change values (of all 18 patients' individual median percent change values) are compared between the 5 different brain categories.