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Inter-rater reliability of clinical mobility measures in ankylosing spondylitis

Overview of attention for article published in BMC Musculoskeletal Disorders, September 2016
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Title
Inter-rater reliability of clinical mobility measures in ankylosing spondylitis
Published in
BMC Musculoskeletal Disorders, September 2016
DOI 10.1186/s12891-016-1242-1
Pubmed ID
Authors

J. Calvo-Gutiérrez, J. L. Garrido-Castro, C. González-Navas, M. C. Castro-Villegas, R. Ortega-Castro, C. López-Medina, P. Font-Ugalde, A. Escudero-Contreras, E. Collantes-Estévez

Abstract

Several measurements are often used in daily clinical practice in the assessment of Ankylosing Spondylitis (AS) patients. The Assessment in SpondyloArthiritis International Society (ASAS) recommend in its core set: chest expansion modified Schöber test, Occiput to wall distance, lateral lumbar flexion, cervical rotation and The Bath Ankylosing Spondylitis Metrology Index (BASMI). BASMI also includes five measurements, some of them recommended by ASAS. Three versions of BASMI have been published with different scales and intervals for each component of the index. Though studies about reliability of these measurements are needed. The aim of this study was to analyze inter-rater reliability of recommended spinal mobility measures in AS. We examined reproducibility of spinal mobility measurements on 33 AS patients performed by two experienced rheumatologists in the same day. Descriptive statistics, Intraclass Correlation Coefficients (ICC), and Smallest Detectable Difference (SDD) using the Bland-Altman criteria were obtained for all the measurements. Chest expansion showed the lowest value of ICC (0.66) and occiput-wall the highest (0.97). SDD was 2.43 units for BASMI2 and 1.27 units for BASMI10. Reliability according to ICC was moderate to high in all measurements. BASMI10, instead BASMI2, must be used: measurements used to calculate are the same but there is better reliability. Inter-rater variation, expressed as SDD, must be taken in account: smaller improvements do not demonstrate the efficacy of treatment because they can be due to experimental error and not to the treatment itself.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 43 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 43 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 7 16%
Student > Doctoral Student 6 14%
Student > Master 4 9%
Student > Ph. D. Student 3 7%
Other 2 5%
Other 9 21%
Unknown 12 28%
Readers by discipline Count As %
Nursing and Health Professions 8 19%
Medicine and Dentistry 8 19%
Computer Science 3 7%
Social Sciences 2 5%
Engineering 2 5%
Other 8 19%
Unknown 12 28%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 07 September 2016.
All research outputs
#15,383,207
of 22,886,568 outputs
Outputs from BMC Musculoskeletal Disorders
#2,458
of 4,054 outputs
Outputs of similar age
#214,158
of 335,704 outputs
Outputs of similar age from BMC Musculoskeletal Disorders
#53
of 80 outputs
Altmetric has tracked 22,886,568 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,054 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 7.1. This one is in the 28th percentile – i.e., 28% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 335,704 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 27th percentile – i.e., 27% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 80 others from the same source and published within six weeks on either side of this one. This one is in the 26th percentile – i.e., 26% of its contemporaries scored the same or lower than it.