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A study of chronic obstructive pulmonary disease-specific causes of osteoporosis with emphasis on the emphysema phenotype

Overview of attention for article published in Annals of Thoracic Medicine, January 2017
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About this Attention Score

  • In the top 25% of all research outputs scored by Altmetric
  • High Attention Score compared to outputs of the same age (80th percentile)
  • Good Attention Score compared to outputs of the same age and source (71st percentile)

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16 X users
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1 Facebook page
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1 Google+ user

Citations

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29 Mendeley
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Title
A study of chronic obstructive pulmonary disease-specific causes of osteoporosis with emphasis on the emphysema phenotype
Published in
Annals of Thoracic Medicine, January 2017
DOI 10.4103/atm.atm_357_16
Pubmed ID
Authors

Mona Ali Fouda, Esam Hamad Alhamad, Mohammed Saleh Al-Hajjaj, Shaffi Ahmed Shaik, Ahmad Amer Alboukai, Feisal Abdulla Al-Kassimi

Abstract

Osteoporosis, the most common extra-pulmonary complication of chronic obstructive pulmonary disease (COPD), may be related to general causes or COPD-specific causes such as low forced expiratory volume in 1 s (FEV1) and hypoxia. A few studies reported that emphysema is an independent risk factor for osteoporosis. However, other workers considered the association to be confounded by low FEV1 and low body mass index (BMI) which cluster with emphysema. To study the association between osteoporosis and emphysema in a model that includes these potentially confounding factors. We studied prospectively 52 COPD patients with both high resolution computed tomography and carbon monoxide diffusion coefficient as diagnostic markers of emphysema. Dual-energy X-ray absorptiometry was used to measure the bone mass density (BMD) of lumbar vertebrae and neck of the femur. Vertebral fractures were evaluated using the Genant semiquantitative score. Multiple linear regression analysis was used to identify the following independent variables: age, BMI, FEV1% predicted, PaO2, emphysema score, C-reactive protein (CRP), and dyspnea score as related to BMD. P ≤ 0.05 was considered statistically significant. There was no significant difference in the serum Vitamin D levels, vertebral fracture score, or BMD between the emphysematous and nonemphysematous patients. Multivariate analysis showed that (in a model including age, BMI, FEV1, PaO2, emphysema score, CRP, and dyspnea score) only reduced BMI, FEV1, and PaO2 were independent risk factors for low BMD. The emphysematous phenotype is not a risk factor for osteoporosis independently of BMI, FEV1, and PaO2.

X Demographics

X Demographics

The data shown below were collected from the profiles of 16 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 29 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 29 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 8 28%
Student > Master 4 14%
Student > Postgraduate 2 7%
Student > Doctoral Student 1 3%
Student > Ph. D. Student 1 3%
Other 3 10%
Unknown 10 34%
Readers by discipline Count As %
Medicine and Dentistry 10 34%
Nursing and Health Professions 2 7%
Environmental Science 1 3%
Pharmacology, Toxicology and Pharmaceutical Science 1 3%
Social Sciences 1 3%
Other 1 3%
Unknown 13 45%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 8. 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 July 2017.
All research outputs
#4,370,994
of 25,382,440 outputs
Outputs from Annals of Thoracic Medicine
#62
of 373 outputs
Outputs of similar age
#79,372
of 421,709 outputs
Outputs of similar age from Annals of Thoracic Medicine
#8
of 28 outputs
Altmetric has tracked 25,382,440 research outputs across all sources so far. Compared to these this one has done well and is in the 82nd percentile: it's in the top 25% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 373 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.0. This one has done well, scoring higher than 82% 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 421,709 tracked outputs that were published within six weeks on either side of this one in any source. This one has done well, scoring higher than 80% of its contemporaries.
We're also able to compare this research output to 28 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 71% of its contemporaries.