Table 3.

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

SSF	Mean	SD	Entropy	MPP	Skewness	Kurtosis
T2W
0	0.272	0.807	0.713	0.272	0.196	0.518
2	0.205	0.503	0.878	0.101	0.012	0.017
3	0.257	0.546	0.899	0.791	0.014	0.031
4	0.286	0.807	0.708	0.381	0.296	0.409
5	0.351	0.858	0.574	0.518	0.596	0.679
6	0.568	0.858	0.487	0.994	0.960	0.728
DWI b 1500
0	0.462	0.218	0.381	0.462	0.407	0.665
2	0.782	0.317	0.827	0.987	0.339	0.996
3	0.782	0.419	0.987	0.935	0.573	0.776
4	0.909	0.546	0.934	0.987	0.942	0.127
5	0.987	0.524	0.935	0.935	0.540	0.005
6	0.909	0.462	0.974	0.782	0.765	0.004
ADC
0	0.000	0.961	0.791	0.000	0.573	0.398
2	0.832	0.334	1.000	0.289	0.047	0.363
3	0.807	0.482	0.960	0.398	0.041	0.246
4	0.909	0.636	0.960	0.707	0.104	0.034
5	0.590	0.757	0.960	0.807	0.426	0.001
6	0.286	0.961	0.948	0.988	0.202	0.046

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

The statistically significant parameters are shown in bold text.