Complex biomechanical properties of non-augmented and augmented pedicle screws in human vertebrae with reduced bone density

Table 2 Correlation of morphological parameters with cyclic loading parameters (n = 10)

Parameter		Group	Pedicle height	Pedicle width	Pedicle angle
preload	Pdisp head	1	0.455	0.758*	0.600
	Pdisp head	2	0.462	0.186	− 0.373
	Pdisp tip	1	0.552	0.309	0.382
	Pdisp tip	2	0.144	0.344	0.354
cyclic loading	Cdisp head	1	−0.067	0.297	0.806**
	Cdisp head	2	0.527	0.810*	0.048
	Cdisp tip	1	0.042	0.321	0.794**
	Cdisp tip	2	0.386	0.323	−0.072
	Cmov headstart/end	1	−0.049/0.317	0.286/0.585	0.480/0.476
	Cmov headstart/end	2	0.454/0.675	0.762/0.790	0.024/−0.060
	Cmov tip start/end	1	−0.552/− 0.140	– 0.212/− 0.097	0.309/− 0.152
	Cmov tip start/end	2	0.319/0.404	0.333/0.946**	0.024/−0.204
	PD head	1	0.321	0.285	0.721*
	PD head	2	0.590	0.515	−0.180
	PD tip	1	0.309	0.067	0.600
	PD tip	2	−0.144	0.024	0.429

ISSN: 1471-2474