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. 2011 May 13:12:93.
doi: 10.1186/1471-2474-12-93.

The quality of evidence of psychometric properties of three-dimensional spinal posture-measuring instruments

Yolandi Brink  1 , Quinette Louw, Karen Grimmer-Somers
Affiliations

The quality of evidence of psychometric properties of three-dimensional spinal posture-measuring instruments

Yolandi Brink et al. BMC Musculoskelet Disord. .

Abstract

Background: Psychometric properties include validity, reliability and sensitivity to change. Establishing the psychometric properties of an instrument which measures three-dimensional human posture are essential prior to applying it in clinical practice or research.

Methods: This paper reports the findings of a systematic literature review which aimed to 1) identify non-invasive three-dimensional (3D) human posture-measuring instruments; and 2) assess the quality of reporting of the methodological procedures undertaken to establish their psychometric properties, using a purpose-build critical appraisal tool.

Results: Seventeen instruments were identified, of which nine were supported by research into psychometric properties. Eleven and six papers respectively, reported on validity and reliability testing. Rater qualification and reference standards were generally poorly addressed, and there was variable quality reporting of rater blinding and statistical analysis.

Conclusions: There is a lack of current research to establish the psychometric properties of non-invasive 3D human posture-measuring instruments.

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Figures

Figure 1
Figure 1
A Flowchart to demonstrate the procedures for study selection.
Figure 2
Figure 2
Consort diagram to demonstrate the selection of papers.
See this image and copyright information in PMC

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