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Zinc supplementation for the prevention of pneumonia in children aged 2 months to 59 months

Overview of attention for article published in Cochrane database of systematic reviews, December 2010
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1 Google+ user

Citations

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59 Mendeley
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Title
Zinc supplementation for the prevention of pneumonia in children aged 2 months to 59 months
Published in
Cochrane database of systematic reviews, December 2010
DOI 10.1002/14651858.cd005978.pub2
Pubmed ID
Authors

Lassi ZS, Haider BA, Bhutta ZA, Lassi, Zohra S, Haider, Batool A, Bhutta, Zulfiqar A

Abstract

Pneumonia is a leading cause of morbidity and mortality in children younger than five years of age. Most deaths occur during infancy and in low-income countries. Daily regimens of zinc have been reported to prevent acute lower respiratory tract infection and reduce child mortality. To evaluate the effectiveness of zinc supplementation in the prevention of pneumonia in children aged two to 59 months. We searched the Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library 2010, Issue 2), which contains the Acute Respiratory Infections Group's Specialised Register, MEDLINE (1966 to January Week 2, 2010), EMBASE (1974 to January 2010) and LILACS (1985 to January 2010). Randomised controlled trials (RCTs) evaluating supplementation of zinc for the prevention of pneumonia in children aged 2 to 59 months of age. Two review authors independently assessed trial quality and extracted data. We included six trials and 7850 participants in the meta-analysis. Analysis showed that zinc supplementation reduced the incidence of pneumonia by 13% (risk ratio (RR) 0.87; 95% confidence interval (CI) 0.81 to 0.94, fixed-effect, six studies) and prevalence of pneumonia by 41% (RR 0.59; 95% CI 0.35 to 0.99, random-effects, one study). On subgroup analysis, we found that zinc reduced the incidence of pneumonia defined by specific clinical criteria by 21% (i.e. confirmation by chest examination or chest radiograph) (RR 0.79; 95% CI 0.0.71 to 0.88, fixed-effect, four studies, n = 4591) but had no effect on lower specificity pneumonia case definition (i.e. age specific fast breathing with or without lower chest indrawing) (RR 0.95; 95% CI 0.86 to 1.06, fixed-effect, four studies, n = 3259). Zinc supplementation in children is associated with a reduction in the incidence and prevalence of pneumonia, the leading cause of death in children.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter 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 59 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Colombia 1 2%
Netherlands 1 2%
France 1 2%
United Kingdom 1 2%
Fiji 1 2%
Unknown 54 92%

Demographic breakdown

Readers by professional status Count As %
Student > Master 17 29%
Researcher 10 17%
Student > Bachelor 10 17%
Student > Postgraduate 8 14%
Student > Ph. D. Student 4 7%
Other 9 15%
Unknown 1 2%
Readers by discipline Count As %
Medicine and Dentistry 37 63%
Nursing and Health Professions 6 10%
Social Sciences 4 7%
Biochemistry, Genetics and Molecular Biology 3 5%
Agricultural and Biological Sciences 2 3%
Other 6 10%
Unknown 1 2%

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 March 2017.
All research outputs
#7,264,092
of 12,100,779 outputs
Outputs from Cochrane database of systematic reviews
#5,701
of 7,978 outputs
Outputs of similar age
#118,068
of 231,999 outputs
Outputs of similar age from Cochrane database of systematic reviews
#136
of 167 outputs
Altmetric has tracked 12,100,779 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 7,978 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 14.6. This one is in the 17th percentile – i.e., 17% 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 231,999 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 45th percentile – i.e., 45% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 167 others from the same source and published within six weeks on either side of this one. This one is in the 16th percentile – i.e., 16% of its contemporaries scored the same or lower than it.