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Compared to X-ray, three-dimensional computed tomography measurement is a reproducible radiographic method for normal proximal humerus

Overview of attention for article published in Journal of Orthopaedic Surgery and Research, July 2016
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Title
Compared to X-ray, three-dimensional computed tomography measurement is a reproducible radiographic method for normal proximal humerus
Published in
Journal of Orthopaedic Surgery and Research, July 2016
DOI 10.1186/s13018-016-0417-7
Pubmed ID
Authors

Xiaoyang Jia, Yanxi Chen, Minfei Qiang, Kun Zhang, Haobo Li, Yuchen Jiang, Yijie Zhang

Abstract

Accurate comprehension of the normal humeral morphology is crucial for anatomical reconstruction in shoulder arthroplasty. However, traditional morphological measurements for humerus were mainly based on cadaver and radiography. The purpose of this study was to provide a series of precise and repeatable parameters of the normal proximal humerus for arthroplasty, based on the three-dimensional (3-D) measurements. Radiographic and 3-D computed tomography (CT) measurements of the proximal humerus were performed in a sample of 120 consecutive adults. Sex differences, two image modalities differences, and correlations of the parameters were evaluated. Intra- and inter-observer reproducibility was evaluated using intraclass correlation coefficients (ICCs). In the male group, all parameters except the neck-shaft angle of humerus, based on 3-D CT images, were greater than those in the female group (P < 0.05). All variables were significantly different between two image modalities (P < 0.05). In 3-D CT measurement, all parameters expect neck-shaft angle had correlation with each other (P < 0.001), particularly between two diameters of the humeral head (r = 0.907). All parameters in the 3-D CT measurement had excellent reproducibility (ICC range, 0.878 to 0.936) that was higher than those in the radiographs (ICC range, 0.741 to 0.858). The present study suggested that 3-D CT was more reproducible than plain radiography in the assessment of morphology of the normal proximal humerus. Therefore, this reproducible modality could be utilized in the preoperative planning. Our data could serve as an effective guideline for humeral component selection and improve the design of shoulder prosthesis.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 37 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 37 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 9 24%
Other 4 11%
Student > Postgraduate 4 11%
Student > Ph. D. Student 3 8%
Researcher 2 5%
Other 3 8%
Unknown 12 32%
Readers by discipline Count As %
Medicine and Dentistry 15 41%
Nursing and Health Professions 2 5%
Sports and Recreations 1 3%
Arts and Humanities 1 3%
Unknown 18 49%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 18 July 2016.
All research outputs
#14,268,471
of 22,880,691 outputs
Outputs from Journal of Orthopaedic Surgery and Research
#495
of 1,378 outputs
Outputs of similar age
#206,481
of 355,956 outputs
Outputs of similar age from Journal of Orthopaedic Surgery and Research
#10
of 29 outputs
Altmetric has tracked 22,880,691 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,378 research outputs from this source. They receive a mean Attention Score of 3.6. This one has gotten more attention than average, scoring higher than 58% of its peers.
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 355,956 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 39th percentile – i.e., 39% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 29 others from the same source and published within six weeks on either side of this one. This one is in the 34th percentile – i.e., 34% of its contemporaries scored the same or lower than it.