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.