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TABLE 3:

Pearson’s Product-Moment Correlations Between Age and Magnetization Transfer Ratio Measurements for Gray Matter and White Matter

MeasurementsGray MatterWhite Matter
CorrelationP ValueCorrelationP Value
Mean (%)−0.61<.0001−0.58<.0001
Median (%)−0.47.0004−0.47.0004
First Quartile (%)−0.68<.0001−0.63<.0001
Third Quartile (%)0.02.90−0.25.07
Peak Loc (%)0.20.16−0.24.08
Peak HT (×10−3)−0.59<.0001−0.57<.0001
  • Note.—Peak Loc indicates peak location and Peak HT, normalized peak height of magnetization transfer ratio histogram.