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. 2017 Jan 31;1(1):45–52. doi: 10.1017/cts.2016.8

Table 1.

Bibliometrics included in the cross Clinical and Translational Science Award study

Metric Number of publications Average number of citations per publication Percentage of publications in the top 10% per citations Comparative citation ratio
Used for Productivity Influence Relative influence Relative influence
Terminology
TR Counts of papers Average citations per paper Publications in top journal percentiles Cat-C Index
Elsevier Scholarly output Citation per publication Outputs in top percentiles Field-Weighted Citation Impact
Description *
TR Paper counts, which measure productivity, are the most basic bibliometric measure and provide raw data for all citation analysis Citations per paper is computed by dividing the sum of citations to some set of papers for a defined time period by the number of papers (paper count) A paper percentile is determined by taking the year and journal category of the paper, creating a citation frequency distribution for all the papers in that year and category, and determining the percentage of papers at each level of citation. The percentile then indicates how a paper has performed relative to others in its field The Cat-C Index for a set of publications is the ratio of the sum of the citations for that set of publications divided by the sum of the average expected citations for the set of publications where that expected average is computed across journal categories
Elsevier Scholarly output in SciVal indicates the productivity of an entity: How many publications does this entity have indexed in Scopus? Citations per publication in SciVal indicates the average citation impact of each entity’s publications: How many citations have this entity’s publication received on average? Outputs in top percentiles in SciVal indicates the extent to which an entity’s publications are present in the most-cited percentiles of a data universe: How many publications are in the top 1%, 5%, 10%, or 25% of the most-cited publications? Field-Weighted Citation Impact in SciVal indicates how the number of citations received by an entity’s publications compares with the average number of citations received by all other similar publications in the data universe

TR, Thomson Reuters; Cat-C Index, Category-C Index.

iCite’s Relative Citation Ratio not included in this table.

*

Except for the Cat-C Index, which was computed specifically for this project, all descriptions are taken from white papers released by Elsevier [22] and Thomson Reuters [8].