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Hypertension: a cross-sectional study of the role of multimorbidity in blood pressure control

Overview of attention for article published in BMC Primary Care, August 2015
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Title
Hypertension: a cross-sectional study of the role of multimorbidity in blood pressure control
Published in
BMC Primary Care, August 2015
DOI 10.1186/s12875-015-0313-y
Pubmed ID
Authors

Chandra Sarkar, Hiten Dodhia, James Crompton, Peter Schofield, Patrick White, Christopher Millett, Mark Ashworth

Abstract

Hypertension is the most prevalent cardiovascular long-term condition in the UK and is associated with a high rate of multimorbidity (MM). Multimorbidity increases with age, ethnicity and social deprivation. Previous studies have yielded conflicting findings about the relationship between MM and blood pressure (BP) control. Our aim was to investigate the relationship between multimorbidity and systolic blood pressure (SBP) in patients with hypertension. A cross-sectional analysis of anonymised primary care data was performed for a total of 299,180 adult patients of whom 31,676 (10.6 %) had a diagnosis of hypertension. We compared mean SBP in patients with hypertension alone and those with one or more co-morbidities and analysed the effect of type of comorbidity on SBP. We constructed a regression model to identify the determinants of SBP control. The strongest predictor of mean SBP was the number of comorbidities, β -0.13 (p < 0.05). Other predictors included Afro-Caribbean ethnicity, β 0.05 (p < 0.05), South Asian ethnicity, β -0.03 (p < 0.05), age, β 0.05 (p < 0.05), male gender, β 0.05 (p < 0.05) and number of hypotensive drugs β 0.06 (p < 0.05). SBP was lower by a mean of 2.03 mmHg (-2.22, -1.85) for each additional comorbidity and was lower in MM regardless of the type of morbidity. Hypertensive patients with MM had lower SBP than those with hypertension alone; the greater the number of MM, the lower the SBP. We found no evidence that BP control was related to BP targets, medication category or specific co-morbidity. Further research is needed to determine whether consultation rate, "white-coat hypertension" or medication adherence influence BP control in MM.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 101 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 1 <1%
Unknown 100 99%

Demographic breakdown

Readers by professional status Count As %
Researcher 17 17%
Student > Master 10 10%
Student > Ph. D. Student 8 8%
Student > Postgraduate 7 7%
Student > Doctoral Student 6 6%
Other 23 23%
Unknown 30 30%
Readers by discipline Count As %
Medicine and Dentistry 39 39%
Nursing and Health Professions 8 8%
Social Sciences 5 5%
Pharmacology, Toxicology and Pharmaceutical Science 3 3%
Agricultural and Biological Sciences 3 3%
Other 7 7%
Unknown 36 36%
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 15 October 2015.
All research outputs
#15,739,529
of 25,373,627 outputs
Outputs from BMC Primary Care
#1,462
of 2,359 outputs
Outputs of similar age
#141,104
of 275,832 outputs
Outputs of similar age from BMC Primary Care
#33
of 51 outputs
Altmetric has tracked 25,373,627 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,359 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 7.7. This one is in the 36th percentile – i.e., 36% 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 275,832 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 47th percentile – i.e., 47% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 51 others from the same source and published within six weeks on either side of this one. This one is in the 35th percentile – i.e., 35% of its contemporaries scored the same or lower than it.