Table 2.

Fracture stress, fracture strain and elastic modulus for all cantilevers tested.

sample	fracture stress (MPa)	fracture strain (%)	elastic modulus (GPa)
sample group 1: intra rod (level 1)
intra rod 1	990	1.98	53
intra rod 2	1022	1.90	56
intra rod 3	921	1.70	54
mean ± s.d.	978 ± 52	1.86 ± 0.14	54 ± 2
sample group 2: multiple rods (level 2)
multiple rods 1	391	1.76	26
multiple rods 2	467	1.18	41
multiple rods 3	576	1.57	41
mean ± s.d.	478 ± 93	1.50 ± 0.30	36 ± 8
sample group 3: decussation (level 3)
decussation 1	127	0.79	17
decussation 2	126	1.07	12
decussation 3	199	0.91	27
mean ± s.d.	151 ± 42	0.92 ± 0.14	19 ± 8