Table 4. Regression analyses between shape Procrustes and dimensions-derived parameters (1000 permutations).
| Factor | % predicted | P |
| Ellipticity | 1.6 | 0.135 |
| Elongation | 1.8 | 0.095 |
| Regularity | 15.4 | <0.001 |
| Roughness | 4.6 | 0.001 |
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