Table 2.

Logistic regression analysis of risk factors for NVCF occurrence in the training set patients.

Variable	B	S.E	p	OR	OR 95%CI
					Lower	Upper
Surgical approach
PVP	REF
PKP	1.390	0.485	0.004	0.249	0.092	0.630
Spinal CT value	−0.043	0.010	<0.001	0.958	0.937	0.976
Multifidus SMI	−0.008	0.004	0.045	0.992	0.984	0.999

REF, reference variable; PVP, percutaneous vertebroplasty; PKP, percutaneous kyphoplasty; SMI, skeletal muscle index.