**5. Conclusions**

In conclusion, this study suggests that increased percent body fat predicts potential severe functional disability in ADL in LSS patients. BIA may provide useful information for predicting the severity or the prognosis of various lumbar spinal disorders in clinical practice.

**Author Contributions:** Conceptualization, A.D. and J.-S.S.; methodology, A.D. and J.-S.S.; formal analysis, A.D. and Y.K.; investigation, A.D., C.L. and H.O.; data curation, H.O.; writing—original draft preparation, Y.K.; writing—review and editing, A.D. and Y.K. All authors have read and agreed to the published version of the manuscript.

**Funding:** This research received no external funding.

**Institutional Review Board Statement:** The study was conducted according to the guidelines of the Declaration of Helsinki and approved by the Institutional Review Board of Jeonbuk National University Hospital (CUH 2018-11-037, date of approval: 2 January 2019).

**Informed Consent Statement:** Informed consent was obtained from all subjects involved in the study.

**Conflicts of Interest:** The authors declare no conflict of interest.

#### **References**


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