| Mann-Whitney U | Wilcoxon W | Z | Asymp. Sig. (2-tailed) | |
| AFC LENGHT (mm) | 405,000 | 1783,000 | −0.516 | 0.606 |
| PROX AFC DIAMETER (mm) | 334,500 | 487,500 | −1589 | 0.112 |
| DIST AFC DIAMETER (mm) | 364,000 | 517,000 | −1.185 | 0.236 |
| PROX SFA DIAMETER (mm) | 389,500 | 542,500 | −0.512 | 0.609 |
| DIST SFA DIAMETER (mm) | 289,500 | 380,500 | −0.396 | 0.692 |
| PROX FPA DIAMETER (mm) | 419,000 | 572,000 | −0.320 | 0.749 |
| DIST FPA DIAMETER (mm) | 398,000 | 551,000 | −0.503 | 0.615 |
| CFA/FPA ANGLE (degree) | 339,500 | 492,500 | −1520 | 0.128 |
| SFA/PFA ANGLE (degree) | 429,000 | 1860,000 | −0.295 | 0.768 |
| CFA TORTUOSITY INDEX | 295,000 | 448,000 | −2158 | 0.031 |
| CFA-AFS TORTUOSITY INDEX | 340,500 | 493,500 | −1523 | 0.128 |
| CFA-FPA TORTUOSITY INDEX | 426,000 | 579,000 | −0.336 | 0.736 |