Fig. 2From: Lateral interbody release for fused vertebrae via transpsoas approach in adult spinal deformity surgery: a preliminary report of radiographic and clinical outcomesThe fusion ratio is preoperatively calculated by dividing the length of the ossified portion of the intervertebral space (a) by the total length of the intervertebral space (b) on the exact coronal plane image using multiplanar reconstruction of computed tomographyBack to article page