Phase angle is related to physical function and quality of life in preoperative patients with lumbar spinal stenosis

Abstract

Purpose Lumbar spinal stenosis (LSS) causes various symptoms, which can interfere with daily life and Quality of Life (QOL). Evaluating both patients’ physical function and QOL and helping them to improve is the focus of rehabilitation. Phase angle (PhA) assessment has been widely used to measure body composition, and it has been reported to reflect physical function and QOL. The purpose of this study was to investigate the relationship between PhA and physical function, physical activity, and QOL in patients with LSS. Methods PhA, handgrip strength, walking speed, timed up and go test (TUG), Life Space Assessment (LSA), Prognostic Nutritional Index (PNI), Japanese Orthopaedic Association back pain evaluation questionnaire (JOABPEQ), and EQ-5D were assessed. Multiple regression analysis was conducted to investigate the relationship of PhA to physical function, physical activity, and QOL using. Results Statistical analysis was performed on 104 patients with LSS. The results of multiple regression analysis of PhA adjusted for age, gender, and BMI (Model 1) and PhA adjusted for age, gender, BMI, and PNI (Model 2) compared with physical function and physical activity showed significant correlations respectively (P<0.05) in handgrip strength, walking speed, TUG, and LSA. In QOL assessment, both models showed a significant correlation (P<0.05) with lumbar function in JOABPEQ and a significant trend (P<0.1) in EQ-5D. Conclusion PhA in LSS patients in this study was associated with physical function and QOL, and may be a useful new tool for clinical evaluation in preoperative LSS patients.

Competing Interest Statement

The authors have declared no competing interest.

Clinical Trial

N/A

Funding Statement

No

Author Declarations

I confirm all relevant ethical guidelines have been followed, and any necessary IRB and/or ethics committee approvals have been obtained.

Yes

The details of the IRB/oversight body that provided approval or exemption for the research described are given below:

Kurume University ethics board

I confirm that all necessary patient/participant consent has been obtained and the appropriate institutional forms have been archived, and that any patient/participant/sample identifiers included were not known to anyone (e.g., hospital staff, patients or participants themselves) outside the research group so cannot be used to identify individuals.

Yes

I understand that all clinical trials and any other prospective interventional studies must be registered with an ICMJE-approved registry, such as ClinicalTrials.gov. I confirm that any such study reported in the manuscript has been registered and the trial registration ID is provided (note: if posting a prospective study registered retrospectively, please provide a statement in the trial ID field explaining why the study was not registered in advance).

Yes

I have followed all appropriate research reporting guidelines and uploaded the relevant EQUATOR Network research reporting checklist(s) and other pertinent material as supplementary files, if applicable.

Yes

Data Availability

Hashida, Ryuki Otsubo Ryota, 2022, "Phase angle is related to physical function and quality of life in preoperative patients with lumbar spinal stenosis", https://doi.org/10.7910/DVN/REBPZ4, Harvard Dataverse, V1

https://doi.org/10.7910/DVN/REBPZ4

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