How the clinical dosage of bone cement biomechanically affects adjacent vertebrae

Table 3 Strain changes of vertebral bodies (%, mean ± SD)

		Pre-fracture	Post-fracture	After augmentation	F	p
T12	Flexion	0.15 ± 0.02	0.16 ± 0.05*	0.14 ± 0.01^#	8.335	0.001
	Left lateral flexion	0.17 ± 0.05	0.19 ± 0.04	0.18 ± 0.06	2.660	0.085
	Extension	0.42 ± 0.09	0.37 ± 0.07	0.44 ± 0.08	0.041	0.673
L1	Flexion	0.08 ± 0.01	0.15 ± 0.01*	0.08 ± 0.01^#	125.501	< 0.001
	Left lateral flexion	0.14 ± 0.01	0.16 ± 0.07	0.14 ± 0.02	0.943	0.400
	Extension	0.14 ± 0.01	0.12 ± 0.02*	0.46 ± 0.13*^#	86.473	< 0.001
L2	Flexion	0.10 ± 0.03	0.20 ± 0.02*	0.13 ± 0.03*^#	40.656	< 0.001
	Left lateral flexion	0.09 ± 0.01	0.22 ± 0.04*	0.11 ± 0.07^#	28.279	< 0.001
	Extension	0.15 ± 0.02	0.09 ± 0.01*	0.13 ± 0.02*^#	37.942	< 0.001

ISSN: 1749-799X