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Infection by Streptococcus pneumoniae in children with or without radiologically confirmed pneumonia

Overview of attention for article published in Jornal de Pediatria, January 2018
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Title
Infection by Streptococcus pneumoniae in children with or without radiologically confirmed pneumonia
Published in
Jornal de Pediatria, January 2018
DOI 10.1016/j.jped.2017.03.004
Pubmed ID
Authors

Dafne C. Andrade, Igor C. Borges, Ana Luísa Vilas-Boas, Maria S.H. Fontoura, César A. Araújo-Neto, Sandra C. Andrade, Rosa V. Brim, Andreas Meinke, Aldina Barral, Olli Ruuskanen, Helena Käyhty, Cristiana M. Nascimento-Carvalho

Abstract

Community-acquired pneumonia (CAP) is an important cause of morbidity in childhood, but the detection of its causative agent remains a diagnostic challenge. The authors aimed to evaluate the role of the chest radiograph to identify cases of CAP caused by typical bacteria. The frequency of infection by Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis was compared in non-hospitalized children with clinical diagnosis of CAP aged 2-59 months with or without radiological confirmation (n=249 and 366, respectively). Infection by S. pneumoniae was diagnosed by the detection of a serological response against at least one of eight pneumococcal proteins (defined as an increase ≥2-fold in the IgG levels against Ply, CbpA, PspA1 and PspA2, PhtD, StkP-C, and PcsB-N, or an increase ≥1.5-fold against PcpA). Infection by H. influenzae and M. catarrhalis was defined as an increase ≥2-fold on the levels of microbe-specific IgG. Children with radiologically confirmed pneumonia had higher rates of infection by S. pneumoniae. The presence of pneumococcal infection increased the odds of having radiologically confirmed pneumonia by 2.8 times (95% CI: 1.8-4.3). The negative predictive value of the normal chest radiograph for infection by S. pneumoniae was 86.3% (95% CI: 82.4-89.7%). There was no difference on the rates of infection by H. influenzae and M. catarrhalis between children with CAP with and without radiological confirmation. Among children with clinical diagnosis of CAP submitted to chest radiograph, those with radiologically confirmed pneumonia present a higher rate of infection by S. pneumoniae when compared with those with a normal chest radiograph.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 39 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 39 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 8 21%
Student > Doctoral Student 6 15%
Student > Master 4 10%
Student > Ph. D. Student 3 8%
Researcher 2 5%
Other 5 13%
Unknown 11 28%
Readers by discipline Count As %
Medicine and Dentistry 9 23%
Nursing and Health Professions 4 10%
Agricultural and Biological Sciences 3 8%
Biochemistry, Genetics and Molecular Biology 2 5%
Immunology and Microbiology 2 5%
Other 6 15%
Unknown 13 33%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. 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 03 July 2017.
All research outputs
#10,038,105
of 12,546,249 outputs
Outputs from Jornal de Pediatria
#318
of 419 outputs
Outputs of similar age
#190,978
of 261,792 outputs
Outputs of similar age from Jornal de Pediatria
#17
of 23 outputs
Altmetric has tracked 12,546,249 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 419 research outputs from this source. They receive a mean Attention Score of 3.3. This one is in the 28th percentile – i.e., 28% 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 261,792 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 15th percentile – i.e., 15% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 23 others from the same source and published within six weeks on either side of this one. This one is in the 8th percentile – i.e., 8% of its contemporaries scored the same or lower than it.