Letter to the Editor concerning “Correlations between sedimentation sign, dural sac cross-sectional area, and clinical symptoms of degenerative lumbar spinal stenosis” by Sangbong Ko (Eur Spine J [2018] 27:1623–1628)

[摘要] With great interest, we have read the original article written by Sangbong Ko entitled “Correlations between sedimentation sign, dural sac cross-sectional area, and clinical symptoms of degenerative lumbar spinal stenosis.” Overall, the authors used a very robust methodology and analyzed the correlations between the aforementioned parameters.