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Evid Based Med. 2013 Dec;18(6):207-11. doi: 10.1136/eb-2013-101272. Epub 2013 Jun 20.

Comparing data accuracy between structured abstracts and full-text journal articles: implications in their use for informing clinical decisions.

Author information

1
Lister Hill National Center for Biomedical Communications, U.S. National Library of Medicine, , Bethesda, Maryland, USA.

Abstract

BACKGROUND:

The abstract is the most frequently read section of a research article. The use of 'Consensus Abstracts', a clinician-oriented web application formatted for mobile devices to search MEDLINE/PubMed, for informing clinical decisions was proposed recently; however, inaccuracies between abstracts and the full-text article have been shown. Efforts have been made to improve quality.

METHODS:

We compared data in 60 recent-structured abstracts and full-text articles from six highly read medical journals.

RESULTS:

Data inaccuracies were identified and then classified as either clinically significant or not significant. Data inaccuracies were observed in 53.33% of articles ranging from 3.33% to 45% based on the IMRAD format sections. The Results section showed the highest discrepancies (45%) although these were deemed to be mostly not significant clinically except in one. The two most common discrepancies were mismatched numbers or percentages (11.67%) and numerical data or calculations found in structured abstracts but not mentioned in the full text (40%). There was no significant relationship between journals and the presence of discrepancies (Fisher's exact p value =0.3405). Although we found a high percentage of inaccuracy between structured abstracts and full-text articles, these were not significant clinically.

CONCLUSIONS:

The inaccuracies do not seem to affect the conclusion and interpretation overall. Structured abstracts appear to be informative and may be useful to practitioners as a resource for guiding clinical decisions.

PMID:
23786759
DOI:
10.1136/eb-2013-101272
[Indexed for MEDLINE]

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