CORRELATION ANALYSIS OF CHANGES OF SPINE-PELVIC SAGITTAL PARAMETERS BEFORE AND AFTER OPERATION AND EFFECTIVENESS IN PATIENTS WITH LUMBAR SPONDYLOLISTHESIS
Objective To investigate the correlation between the effectiveness and the changes of spine-pelvic sagittal parameters for patients with spondylolisthesis before and after operation.Methods A retrospective analysis was made on the clinical data of 32 patients with single segmental degenerative lumbar spondylolisthesis at L_4 who accorded with the inclusion criteria between June 2011 and January 2014(trial group).There were 13 males and 19 females,aged51-67 years(mean,59 years).According to Meyerding degree,...