4 mm | 5 mm | 6 mm | 7 mm | 8 mm | |
4 mm | - | <0.05 | <0.001 | <0.001 | <0.001 |
5 mm | - | - | <0.001 | <0.001 | <0.001 |
6 mm | - | - | - | <0.001 | <0.05 |
7 mm | - | - | - | - | 0.131 |
8 mm | - | - | - | - | - |