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Fig. 1 | Journal of Orthopaedic Surgery and Research

Fig. 1

From: Vertebral bone quality score to predict cage subsidence following oblique lumbar interbody fusion

Fig. 1

A Cage subsidence is indicated as ≥ 2 mm sinking of the cage into the superior endplate. B The cage position is calculated as \(\frac{a}{b} \times 100\%\) (a, the distance between the anterior metal marker and the leading edge of the caudal endplate; b, he length of caudal endplate). C Classification of the disk space morphology on MRI scan (c, concave; d, fat). D The disk height is calculated as \(\frac{e + f}{g} \times 100\%\) on a lumbar X-ray (lateral view) (e, anterior disk height; f, posterior disk height; g, sagittal disk width). E Representative image of the ROI used to calculate the VBQ score

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