Fig. 1From: Sagittal reconstruction of lumbosacral contiguous double-level spondylolytic spondylolisthesis: a comparison of double-level and single-level transforaminal lumbar interbody fusionThe measurement of radiographic parameters. a Slippage parameters. b, c Deformity parameters. d Pelvic parameters. e Sagittal spinal parametersBack to article page