Effect of Surgical Timing on the Refracture Rate after Percutaneous Vertebroplasty: A Retrospective Analysis of at Least 4-Year Follow-Up

Table 3

Statistical analysis of risk factors for mortality.

Variable	Univariate value	Multivariate value
Age	0.509	0.509
Gender	0.012	0.012
Weight	0.284	0.284
Height	0.540	0.540
BMI	0.342	0.342
Operation type	0.230	0.230
Vertebral number	0.634	0.634
Pattern of cement	0.393	0.393
Cement leakage	0.986	0.986
BMD	0.794	0.794
Smoking	0.258	0.258
Drinking	0.269	0.269
Hypertension	0.569	0.569
Diabetes	0.072	0.072
Coronary heart disease	0.230	0.230
Cerebral infarction	0.006	0.006
Lung diseases	0.350	0.350