Reliability, agreement, and validity of digital weighing scale with MatScan in limb load measurement

Limb loading measurements serve as an objective evaluation of asymmetrical weight bearing in the lower limb. Digital weighing scales (DWSs) could be used in clinical settings for measurement of static limb loading. However, ambiguity exists whether limb loading measurements of DWSs are comparable wi...

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Published in:Journal of rehabilitation research and development 2014-01, Vol.51 (4), p.591-598
Main Authors: Kumar, Senthil N S, Omar, Baharudin, Htwe, Ohnmar, Joseph, Leonard H, Krishnan, Jagannathan, Jafarzedah Esfehani, Ali, Min, Lee L
Format: Article
Language:English
Subjects:
Activities of daily living
Aged
Agreements
Analysis
Area Under Curve
Biofeedback
Body weight
Calibration
Clinical medicine
Cross-Sectional Studies
Female
Health aspects
Humans
Load
Lower Extremity - physiology
Male
Measurement
Middle Aged
Posture
Pressure distribution
Reproducibility of Results
ROC Curve
Studies
Validity
Weight-Bearing
Weights and Measures - instrumentation
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cited_by cdi_FETCH-LOGICAL-c439t-3945aa4e88754bb36e541c43b43353138a37906898c002a849e858fcf62218253
cites cdi_FETCH-LOGICAL-c439t-3945aa4e88754bb36e541c43b43353138a37906898c002a849e858fcf62218253
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container_issue 4
container_start_page 591
container_title Journal of rehabilitation research and development
container_volume 51
creator Kumar, Senthil N S
Omar, Baharudin
Htwe, Ohnmar
Joseph, Leonard H
Krishnan, Jagannathan
Jafarzedah Esfehani, Ali
Min, Lee L
description Limb loading measurements serve as an objective evaluation of asymmetrical weight bearing in the lower limb. Digital weighing scales (DWSs) could be used in clinical settings for measurement of static limb loading. However, ambiguity exists whether limb loading measurements of DWSs are comparable with a standard tool such as MatScan. A cross-sectional study composed of 33 nondisabled participants was conducted to investigate the reliability, agreement, and validity of DWSs with MatScan in static standing. Amounts of weight distribution and plantar pressure on the individual lower limb were measured using two DWSs (A, B) and MatScan during eyes open (EO) and eyes closed (EC) conditions. The results showed that intra- and interrater reliability (3, 1) were excellent (0.94-0.97) within and between DWS A and B. Bland-Altman plot revealed good agreement between DWS and MatScan in EO and EC conditions. The area under the receiver operating characteristic curve was significant and identified as 0.68 (p = 0.01). The measurements obtained with DWSs are valid and in agreement with MatScan measurements. Hence, DWSs could be used interchangeably with MatScan and could provide clinicians an objective measurement of limb loading suitable for clinical settings.
doi_str_mv 10.1682/JRRD.2013.07.0166
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Digital weighing scales (DWSs) could be used in clinical settings for measurement of static limb loading. However, ambiguity exists whether limb loading measurements of DWSs are comparable with a standard tool such as MatScan. A cross-sectional study composed of 33 nondisabled participants was conducted to investigate the reliability, agreement, and validity of DWSs with MatScan in static standing. Amounts of weight distribution and plantar pressure on the individual lower limb were measured using two DWSs (A, B) and MatScan during eyes open (EO) and eyes closed (EC) conditions. The results showed that intra- and interrater reliability (3, 1) were excellent (0.94-0.97) within and between DWS A and B. Bland-Altman plot revealed good agreement between DWS and MatScan in EO and EC conditions. The area under the receiver operating characteristic curve was significant and identified as 0.68 (p = 0.01). 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subjects Activities of daily living
Aged
Agreements
Analysis
Area Under Curve
Biofeedback
Body weight
Calibration
Clinical medicine
Cross-Sectional Studies
Female
Health aspects
Humans
Load
Lower Extremity - physiology
Male
Measurement
Middle Aged
Posture
Pressure distribution
Reproducibility of Results
ROC Curve
Studies
Validity
Weight-Bearing
Weights and Measures - instrumentation
title Reliability, agreement, and validity of digital weighing scale with MatScan in limb load measurement
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