Dear Editor,
The question raised in the Letter to the Editor is justified, and we completely agree with the authors.
So, it is better to correct conclusions in abstract on page 2 as follows:
Conclusions: Increasing severity of SedSign indicates progressively smaller dural sac CSA, but there is an inconsistent association with clinical symptoms. Therefore, it is reasonable to suggest that spinal stenosis is severe in patients with severe symptoms.
Conclusions: Increasing severity of SedSign indicates progressively smaller dural sac CSA, but there is an inconsistent association with clinical symptoms. Therefore, it is not reasonable to suggest that spinal stenosis is severe in patients with severe symptoms.
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Ko, S. Reply to the Letter to the Editor of Jin Yang et al. 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). Eur Spine J 28, 1885 (2019). https://doi.org/10.1007/s00586-019-06014-0
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DOI: https://doi.org/10.1007/s00586-019-06014-0