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. 2021 Apr 29;94(1122):20201114. doi: 10.1259/bjr.20201114

Table 5.

Mann–Whitney U test in the differentiation of muscle invasive from non-muscle invasive urinary bladder cancer: p-values of all the parameters, listed MR sequence-wise

SSF Mean SD Entropy MPP Skewness Kurtosis
T 2W
0 0.315 0.940 0.423 0.315 0.095 0.076
2 0.021 0.223 0.904 0.361 0.080 0.077
3 0.050 0.235 0.820 0.785 0.006 0.028
4 0.100 0.665 0.988 0.964 0.023 0.276
5 0.287 0.870 0.868 0.844 0.083 0.372
6 0.463 0.893 0.809 0.515 0.270 0.389
DWI b 1500
0 0.058 0.006 0.082 0.058 0.397 0.586
2 0.754 0.027 0.204 1.000 0.079 0.250
3 0.893 0.030 0.276 0.777 0.112 0.832
4 0.870 0.043 0.289 0.800 0.150 0.762
5 0.893 0.034 0.260 0.709 0.372 0.468
6 0.754 0.016 0.215 0.520 0.364 0.639
ADC
0 0.001 0.777 0.303 0.001 0.762 0.535
2 0.135 0.601 0.458 0.880 0.020 0.035
3 0.171 0.315 0.380 0.739 0.008 0.178
4 0.287 0.361 0.364 0.621 0.003 0.397
5 0.665 0.482 0.325 0.820 0.009 0.348
6 0.560 0.410 0.296 0.559 0.013 0.596

MPP, mean of positive pixels; SD, standard deviation; SSF, spatial scale factor.

The statistically significant parameters are shown in bold text.