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  • Letter to the Editor
  • Open Access

Supplementary addendum to “Non-radiographic methods of measuring global sagittal balance: a systematic review”; Reliability of the Spinal Mouse in adult back pain sufferers

Scoliosis and Spinal Disorders201813:20

https://doi.org/10.1186/s13013-018-0167-x

  • Received: 28 July 2018
  • Accepted: 31 July 2018
  • Published:

The Review to this article has been published in Scoliosis and Spinal Disorders 2017 12:30

We would like to provide an update for the paper “Non-radiographic methods of measuring global sagittal balance: a systematic review” in Scoliosis and Spinal Disorders [1] with additional data regarding the reliability of the Spinal Mouse method in evaluating global sagittal balance through trunk inclination in an adult population with back pain.

We were alerted to the presence of additional data [2] fitting the inclusion criteria documenting excellent intra-rater reliability (ICC 0.845 [CI 0.679–0.925], SEM 0.803°) of the Spinal Mouse system in a population of 50 adults with back pain aged 58.4 ± 13.4 years. This reliability data is consistent with the reported results in healthy children and healthy adults.

Tables 1 and 2 are updated as below.
Table 1

Methodological quality of included studies evaluated using the Brink and Louw critical appraisal tool

Key information

1

2

3

4

5

6

7

8

9

10

11

12

13

High quality > 60%

Topalidou et al. 2014

n/a

n/a

n/a

n/a

n/a

n/a

4/7 = 57%

Item key: 1—description of study population, 2—description of raters, 3—explanation of reference standards (validity only) 4—between rater blinding (reliability only), 5—within rater blinding (reliability), 6—variation of testing order (reliability), 7—time period between index test and reference standard (validity), 8—time period between repeated measures (reliability), 9—independency of reference standard from index test (validity), 10—description of index test procedure, 11—description of reference test procedure (validity), 12—explanation of any withdrawals, 13—appropriate statistics methods. Legend: reported, ✘ not reported

Table 2

Study characteristics, reliability, validity and SEM data of included studies

Non-radiographic method

Study

Index test variable

Sample

Age

Methodology description

Reliability test variable

Statistical measure

Statistical value

SEM

Spinal Mouse

Topalidou et al. 2014

C7-S1 Angular trunk inclination

50 adults with back pain.

58.4 ± 13.4 years

Examined by1 rater on 2 separate occasions, 30 min apart

Intra-rater

ICC

0.845

0.8°

SEM standard error of measurement

Declarations

Acknowledgements

We would like to thank Dr. Topalidou for alerting us to the presence of the additional data.

Funding

No funding was received for the preparation and submission of this research report.

Availability of data and materials

Data sharing is not applicable to this article as no datasets were generated or analysed during the current study.

Authors’ contributions

LC, SK, MS, SD, KR and EP were involved in the conception of the original study, design of the study and helped to draft the manuscript. LC, SK and EP were involved with the database searches, record screening and article review process. All authors read and approved the final manuscript.

Ethics approval and consent to participate

Not applicable.

Consent for publication

Not applicable.

Competing interests

The authors declare that they have no competing interests.

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Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

Authors’ Affiliations

(1)
Faculty of Health Sciences, Discipline of Physiotherapy, The University of Sydney, 75 East Street, Lidcombe, NSW, 2141, Australia

References

  1. Cohen L, Kobayashi S, Simic M, Dennis S, Refshauge K, Pappas E. Non-radiographic methods of measuring global sagittal balance: a systematic review. Scoliosis Spinal Disord. 2017;12(1):30.View ArticlePubMedPubMed CentralGoogle Scholar
  2. Topalidou A, Tzagarakis G, Souvatzis X, Kontakis G, Katonis P. Evaluation of the reliability of a new non-invasive method for assessing the functionality and mobility of the spine. Acta Bioeng Biomech. 2014;16(1):117–24.PubMedGoogle Scholar

Copyright

© The Author(s). 2018

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