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. Author manuscript; available in PMC: 2021 Apr 1.
Published in final edited form as: NMR Biomed. 2020 Jan 13;33(4):e4216. doi: 10.1002/nbm.4216

Figure 4: Conventional 2-point Magnetization Transfer Ratio (MTR) measurements.

Figure 4:

Semi-quantitative MTR quantifications were made using data from RF offset at 6000Hz and 80000Hz for saturation flip angles of 820° (A, left) and 220° (B, left). Diminishing trends of MTR are revealed for both saturation flip angles which is consistent with qMT PSR measurements. Pearson’s correlation with PSR longitudinal measurements in Figure 3 are 0.99 (p=0.002) and 0.98 (p=0.003) for flip angles 820° and 220° respectively. Non-parametric Wilcoxon rank sum tests between different time points of the injury for saturation flip angles of 820° (A, right) and 220° (B, right). Blue and green voxels represent FDR corrected p-values greater than or equal to 0.05 and less than 0.05 respectively.