| Feature code | F value | P value |
| *ACI1 | 5.92 | <0.05 |
| *ACI2 | 10.06 | <0.05 |
| *ACI3 | 10.62 | <0.05 |
| *NumCorners | 44.09 | <0.05 |
| *RatioPMPC | 29.01 | <0.05 |
| D/W | 1.79 | 0.17 |
| IndisMargin | 6.80 | <0.05 |
| HomoEchoes | 2.98 | 0.06 |
| InEchoes | 19.01 | <0.05 |
| PostEchoes | 1.99 | 0.14 |
| Circularity | 38.32 | <0.05 |
| Polygon | 0.08 | 0.92 |
| Lobulated | 2.18 | 0.13 |
| Irregularity | 31.02 | <0.05 |