Table 5.

Multivariate logistic regression analysis for the influence factors of postoperative residual back pain after PVP.

	B	SE	Wald	P value	OR (95% CI)
IVC (yes)	1.332	0.598	4.973	0.026	3.790 (1.175∼12.227)
Posterior fascia oedema (yes)	1.337	0.602	5.232	0.022	3.965 (1.218∼12.907)
Paraspinal muscle degeneration			16.120	≤0.001
Goutallier grade 2	1.758	0.681	6.661	0.010	5.804 (1.527∼22.064)
Goutallier grade 3-4	2.622	0.674	15.116	≤0.001	13.767 (3.671∼51.638)
Cement distribution (blocky)	−0.800	0.392	4.163	0.041	2.225 (1.032∼4.797)
Constant	−3.361	0.665	25.524	≤0.001	0.035