The clinical characteristics of lower lumbar osteoporotic compression fractures treated by percutaneous vertebroplasty : a comparative analysis of 120 cases.

There were trends toward the higher frequency of cement leakage and needs for further PVP due to subsequent fractures in group 1 compared with those in the group 2 (41% versus 28%, 22% versus 11% respectively), however these did not reach statistical significance (p>0.05).

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