BMC Musculoskeletal Disorders

Table 1 Surgical parameters of the studied population

From: Unipedicular versus bipedicular percutaneous vertebroplasty for osteoporotic vertebral compression fractures: a prospective randomized study

	Group U	Group B	p-value
	N = 24	N = 26
Male/female	5:19	8:18	0.42^a
Age (years)	71.7 ± 7.5	72.1 ± 6.0	0.84^b
Operative time	41.2 ± 5.2	55.7 ± 7.3	0.001^b
Exposed to X-rays time	33.7 ± 5.2	46.5 ± 6.6	0.001^b*
Injected cement volume	3.1 ± 0.4	5.0 ± 0.5	0.001^b*
Cement leakage	5	9	0.28^a

Group U: PVP through unipedicular approach
Group B: PVP through bipedicular approach
^aPvalues for between-group comparison were determined by χ2 tests
^bPvalues for between-group comparison were determined by t tests
*Statistically significant (p value <0.05)

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ISSN: 1471-2474

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