Objective To compare the effect of percutaneous vertebroplasty(PVP)with percutaneous kyphoplasty(PKP)on osteoporotic vertebral compression fractures.Methods In 103 patients with osteoporotic vertebral compression fractures,61 patients underwent PVP(PVP group)and 42 underwent PKP(PKP group).The visual analogue score(VAS)scores,Cobb's angle and the vertebral height were compared before operation,and 7days and 1year after operation between two groups.The leakage of bone cement was observed.Results There were n...