Table 3a. Comparison of CT features between intermediate grade group and high grade group (mean ± SD of each parameter, Student's t-test for the comparison).
| CT features | Pathologic grade | P value | ||
|---|---|---|---|---|
| Intermediate (n = 113) | High (n = 35) | |||
| F17 | Surface: Volume Ratio | 0.702 ± 0.280 | 0.565 ± 0.260 | 0.011 |
| F18 | Compactness 1 | 13.106 ± 7.862 | 19.697 ± 13.236 | 0.008 |
| F19 | Compactness 2 | 0.133 ± 0.034 | 0.137 ± 0.030 | 0.538 |
| F20 | Maximum 3D Diameter | 29.480 ± 11.435 | 33.541 ± 12.300 | 0.073 |
| F22 | Sphericity | 0.507 ± 0.045 | 0.513 ± 0.040 | 0.481 |
| F35 | IMC1 | −1.929 ± 0.090 | −1.871 ± 0.101 | 0.002 |
| F44 | SRE | 0.911 ± 0.020 | 0.913 ± 0.021 | 0.546 |
| F45 | LRE | 3.890 ± 1.814 | 4.026 ± 1.425 | 0.686 |
| F48 | RP | 0.936 ± 0.018 | 0.924 ± 0.022 | 0.001 |