49.4(top 0.1%)
impact factor
114.5K(top 0.1%)
papers
10.2M(top 0.1%)
citations
1.3K(top 0.1%)
h-index
52.0(top 0.1%)
extended IF
134.3K
all documents
10.6M
doc citations
2.1K(top 0.1%)
g-index
impact-factor
The graph shows the changes in the impact factor of New England Journal of Medicine and its corresponding percentile for the sake of comparison with the entire literature. Impact Factor is the most common scientometric index, which is defined by the number of citations of papers in two preceding years divided by the number of papers published in those years.