15 August 2023 : Clinical Research
Risk Factors and Causes of Reoperation in Lumbar Disc Herniation Patients after Percutaneous Endoscopic Lumbar Discectomy: A Retrospective Case Series with a Minimum 2-Year Follow-Up
Tao Tang1BCDE, Jiahao Liu2ACD, Jian Cao2A, Dingwen He2AE, Xigao Cheng2AEG, Shuihua Xie1CDEFG*DOI: 10.12659/MSM.939844
Med Sci Monit 2023; 29:e939844
Figure 1 Measurement of the DHI: The height of the anterior a), middle b), and posterior c) intervertebral space and the sagittal diameter of the overlying vertebral body d) were measured. DHI=[(a+b+c)/3]/d.






