Table 5.

Multivariate logistic regression analysis of the risk factors for pulmonary cement embolism

Factor	OR	95% CI	p-value
Vertebral augmentation group
Number of augmented vertebrae	68.7	13.4–351.4	0.652
Marked leakage in paravertebral venous plexus	1.2	0.1–10.3	0.000**
Periods of surgery	16.1	4.2-61.0	0.007**
Screw augmentation group
Marked leakage in paravertebral venous plexus	4.2	0.5–37.3	0.004**

OR, odds ratio; CI, confidence interval.

^**p<0.01.