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Inappropriate statistical method in a parallel-group randomized controlled trial results in unsubstantiated conclusions

Overview of attention for article published in Nutrition Journal, June 2016
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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 (92nd percentile)
  • Good Attention Score compared to outputs of the same age and source (76th percentile)

Mentioned by

blogs
2 blogs
twitter
25 X users

Citations

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8 Dimensions

Readers on

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20 Mendeley
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Title
Inappropriate statistical method in a parallel-group randomized controlled trial results in unsubstantiated conclusions
Published in
Nutrition Journal, June 2016
DOI 10.1186/s12937-016-0163-z
Pubmed ID
Authors

Rositsa B. Dimova, David B. Allison

Abstract

The conclusions of Cassani et al. in the January 2015 issue of Nutrition Journal (doi: 10.1186/1475-2891-14-5 ) cannot be substantiated by the analysis reported nor by the data themselves. The authors ascribed the observed decrease in inflammatory markers to the components of flaxseed and based their conclusions on within-group comparisons made between the final and the baseline measurements separately in each arm of the randomized controlled trial. However, this is an improper approach and the conclusions of the paper are invalid. A correct analysis of the data shows no such effects.

X Demographics

X Demographics

The data shown below were collected from the profiles of 25 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 20 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 20 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 6 30%
Other 4 20%
Student > Ph. D. Student 3 15%
Student > Doctoral Student 2 10%
Student > Master 2 10%
Other 2 10%
Unknown 1 5%
Readers by discipline Count As %
Medicine and Dentistry 7 35%
Nursing and Health Professions 3 15%
Chemistry 2 10%
Agricultural and Biological Sciences 2 10%
Environmental Science 1 5%
Other 2 10%
Unknown 3 15%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 26. 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 05 November 2016.
All research outputs
#1,426,592
of 24,721,757 outputs
Outputs from Nutrition Journal
#376
of 1,483 outputs
Outputs of similar age
#26,121
of 347,299 outputs
Outputs of similar age from Nutrition Journal
#7
of 25 outputs
Altmetric has tracked 24,721,757 research outputs across all sources so far. Compared to these this one has done particularly well and is in the 94th percentile: it's in the top 10% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 1,483 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 39.2. This one has gotten more attention than average, scoring higher than 74% 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 347,299 tracked outputs that were published within six weeks on either side of this one in any source. This one has done particularly well, scoring higher than 92% of its contemporaries.
We're also able to compare this research output to 25 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 76% of its contemporaries.