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Does COPD risk vary by ethnicity? A retrospective cross-sectional study

Overview of attention for article published in International Journal of Chronic Obstructive Pulmonary Disease, April 2016
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About this Attention Score

  • In the top 25% of all research outputs scored by Altmetric
  • Good Attention Score compared to outputs of the same age (72nd percentile)
  • Above-average Attention Score compared to outputs of the same age and source (60th percentile)

Mentioned by

twitter
8 tweeters
facebook
2 Facebook pages

Citations

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10 Dimensions

Readers on

mendeley
24 Mendeley
Title
Does COPD risk vary by ethnicity? A retrospective cross-sectional study
Published in
International Journal of Chronic Obstructive Pulmonary Disease, April 2016
DOI 10.2147/copd.s96391
Pubmed ID
Authors

Alexander Gilkes, Mark Ashworth, Peter Schofield, Timothy H Harries, Stevo Durbaba, Charlotte Weston, Patrick White

Abstract

Lower risk of COPD has been reported in black and Asian people, raising questions of poorer recognition or reduced susceptibility. We assessed prevalence and severity of COPD in ethnic groups, controlling for smoking. A retrospective cross-sectional study using routinely collected primary care data in London. COPD prevalence, severity (% predicted forced expiratory volume in 1 second [FEV1]), smoking status, and treatment were compared between ethnic groups, adjusting for age, sex, smoking, deprivation, and practice clustering. Among 358,614 patients in 47 general practices, 47.6% were white, 20% black, and 5% Asian. Prevalence of COPD was 1.01% overall, 1.55% in whites, 0.58% in blacks, and 0.78% in Asians. COPD was less likely in blacks (adjusted odds ratio [OR], 0.44; 95% confidence interval [CI] 0.39-0.51) and Asians (0.82; CI, 0.68-0.98) than whites. Black COPD patients were less likely to be current smokers (OR, 0.56; CI, 0.44-0.71) and more likely to be never-smokers (OR, 4.9; CI, 3.4-7.1). Treatment of patients with similar disease severity was similar irrespective of ethnic origin, except that long-acting muscarinic antagonists were prescribed less in black COPD patients (OR, 0.53; CI, 0.42-0.68). Black ethnicity was a predictor of poorer lung function (% predicted FEV1: B coefficient, -7.6; P<0.0001), an effect not seen when ethnic-specific predicted FEV1 values were used. Black people in London were half as likely as whites to have COPD after adjusting for lower smoking rates in blacks. It seems likely that the differences observed were due either to ethnic differences in the way cigarettes were smoked or to ethnic differences in susceptibility to COPD.

Twitter Demographics

The data shown below were collected from the profiles of 8 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 24 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 1 4%
Unknown 23 96%

Demographic breakdown

Readers by professional status Count As %
Researcher 7 29%
Other 3 13%
Student > Bachelor 3 13%
Student > Ph. D. Student 2 8%
Student > Postgraduate 2 8%
Other 3 13%
Unknown 4 17%
Readers by discipline Count As %
Medicine and Dentistry 12 50%
Nursing and Health Professions 3 13%
Psychology 1 4%
Economics, Econometrics and Finance 1 4%
Engineering 1 4%
Other 0 0%
Unknown 6 25%

Attention Score in Context

This research output has an Altmetric Attention Score of 5. 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 26 April 2016.
All research outputs
#1,524,443
of 7,607,694 outputs
Outputs from International Journal of Chronic Obstructive Pulmonary Disease
#211
of 958 outputs
Outputs of similar age
#73,247
of 272,074 outputs
Outputs of similar age from International Journal of Chronic Obstructive Pulmonary Disease
#24
of 64 outputs
Altmetric has tracked 7,607,694 research outputs across all sources so far. Compared to these this one has done well and is in the 79th percentile: it's in the top 25% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 958 research outputs from this source. They receive a mean Attention Score of 4.2. This one has done well, scoring higher than 77% 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 272,074 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 72% of its contemporaries.
We're also able to compare this research output to 64 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 60% of its contemporaries.