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Table 2 The two groups of operation time, radiation exposure time, bone cement injection, bone cement leakage contrast

From: Comparison of a flexible versus rigid bone cement injection system in unilateral percutaneous vertebroplasty

Group

Operation time

Radiation exposure time

Bone cement injection

Bone cement leakage contrast

Therapy group

28.4 ± 2.82 min

4.71 ± 0.95 min

5.5 ± 0.35 ml

5 (13.9%)

Control group

26.6 ± 2.35 min

4.68 ± 0.80 min

3.2 ± 0.38 ml

6 (14.3%)

Statistics

t = 1.361

t = 0.138

t = 27.06

x2= 0.030

P

0.178

0.890

0.000

0.96