The outcome of expandable titanium mesh implants for the treatment of multi-level vertebral compression fractures caused by multiple myeloma

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Table 3

Results of linear regression modelling of VAS and ODI.

Variable	VAS		ODI
Variable	B coefficient (95% CI)	P	B coefficient (95% CI)	P
Age^*	0.09 (−0.12 to 0.16)	0.755	0.02 (−0.93 to 1.01)	0.933
Sex (reference: female)	0.12 (−2.91 to 4.25)	0.696	0.15 (−18.35 to 31.35)	0.584
ASA^*	0.01 (−2.51 to 2.61)	0.967	0.41 (−3.56 to 29.04)	0.116
Time from imaging to operation^*	0.11 (−0.02 to 0.03)	0.698	−0.07 (−0.19 to 0.15)	0.814
Total levels^*	−0.48 (−2.03 to 0.05)	0.061	−0.45 (−13.88 to 0.86)	0.079
Total cages^*	−0.50 (−0.97 to −0.02)	0.049	−0.63 (−7.29 to −1.29)	0.008
Preoperative kyphotic angle^*	0.24 (−0.04 to 0.10)	0.374	0.16 (−0.36 to 0.65)	0.551
Change in kyphotic angle^*	−0.08 (−0.22 to 0.17)	0.782	−0.32 (−2.05 to 0.53)	0.225
Average VCR correction	−0.26 (−0.72 to 0.26)	0.329	−0.07 (−3.95 to 3.14)	0.809

Entered into model as continuous variables.

As only one variable tested significant in both models, forward stepwise regression incorporating multiple variables was not feasible.

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