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Crack density (Cr.Dn) and crack length density (Cr.Ln.Dn) with paired comparisons between cracks that involved the stem and those that did not.
| All cracks | Stem | Not Stem | p (stem=not stem) | |
|---|---|---|---|---|
| Cr.Dn (#/mm2) | 0.56 ± 0.34 | 0.11 ± 0.14 | 0.45 ± 0.21 | < 0.0001 |
| Cr.Ln.Dn (mm/mm2) | 0.093 ± 0.058 | 0.030 ± 0.034 | 0.063 ± 0.029 | 0.0005 |
