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Impact and Impact Factor
0 Ami E. Iskandrian, MD, MASNC Editor-in Chief Journal Nuclear Cardiology Distinguished Professor of Medicine & Radiology
IMPACT AND IMPACT FACTOR
We have consistently suggested that the Journal’s
broad impact on patient care, knowledge, and research is
far more important than the impact factor (IF), but for
those who follow the yearly IF, we offer this news.
The journal citation reports, prepared annually by
Clarivate Analytics, were updated on June 14th 2017 to
announce the 2016 IF scores.
The 2016 IF calculation is based on the following:
• Numerator: total number of citations in 2016 to
ALL ITEMS published by a journal during 2014
• Denominator: number of SOURCE ITEMS
published by a journal during 2014 and 2015.
JNC’s 2014 and 2015 publications received 727
citations during 2016. 185 of JNC’s publications in 2014
and 2015 were considered to be source items, thus the
2016 IF is 3.930 (an increase from the 2015 IF: 2.929).
JNC’s 2016 IF has improved its placement within
the category rankings by moving ahead of 10 other
journals in the Radiology category and 11 in the Cardiac
and Cardiovascular category.
Here is another way looking at these data: the 2016
IF is the highest in the 24-year history of the Journal,
and it is the first result that reflects the efforts of the
current editorial team which implemented many
changes. It is interesting also to note that the other journals
ahead of ours in the Radiology category are either
multimodality or multi-system imaging journals or are
noncardiac imaging journals.