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. 2021 Jan;11(1):43–56. doi: 10.21037/qims-19-954

Table 2. ADC histogram data derived from tumour volumetric segmentation in H3 K27M histone-mutant glioma (ADC values displayed as × 10-3 mm2/s).

Case number ADC2nd centile ADC5th centile ADC10th centile ADC5th/NAWM ratio ADCmedian ADCmean ADCmean/NAWM ratio Standard deviation (SD) Kurtosis Skewness
1 0.69 0.73 0.77 0.92 0.93 0.93 1.16 0.14 14.88 2.00
2 0.72 0.77 0.81 1.01 4.32 3.54 5.72 1.99 −1.38 −0.37
3 0.62 0.73 0.83 0.93 1.21 1.23 1.53 0.35 3.15 0.98
4 0.51 0.55 0.59 0.93 0.69 0.71 1.16 0.12 13.90 2.31
5 0.71 0.75 0.79 1.03 0.99 1.08 1.36 0.31 5.89 1.97
6 0.85 0.93 1.04 1.20 1.36 1.34 1.74 0.23 1.18 0.87
7 0.67 0.71 0.76 0.98 0.91 0.93 1.27 0.22 55.37 5.90
8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
9 0.76 0.82 0.88 1.01 1.09 1.72 1.35 0.94 −1.51 0.56
10 0.84 0.90 0.96 1.09 1.23 1.24 1.48 0.22 1.84 0.54
11 1.03 1.15 1.28 1.41 1.85 1.81 2.27 0.38 −0.60 −0.25
12 0.88 0.94 0.99 1.24 1.30 1.35 1.71 0.31 0.49 0.74
13 0.77 0.84 0.89 1.00 1.08 1.11 1.28 0.21 8.03 1.88
14 0.66 0.71 0.76 0.91 0.92 1.02 1.19 0.33 6.57 2.31
15 0.81 0.86 0.94 1.19 1.40 1.37 1.94 0.33 −0.40 0.12
Mean (SD) 0.75 (0.13) 0.81 (0.14) 0.88 (0.16) 1.06 (0.15) 1.38 (0.89) 1.38 (0.69) 1.80 (1.17) 0.43 (0.49) 7.67 (14.72) 1.40 (1.58)

ADC, apparent diffusion coefficient; SD, standard deviation.