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Table 2 Attributes of co-authorship networks built from publications of the NIHR Oxford BRC (April 2012–March 2017)

From: A large National Institute for Health Research (NIHR) Biomedical Research Centre facilitates impactful cross-disciplinary and collaborative translational research publications and research collaboration networks: a bibliometric evaluation study

Publication period Measures of co-authorship networksa Oxford nodesb Authors per DOI
Nodes Edges Density Average path length Network diameter   Mean Median Max
Start 6,684 288,614 0.013 3.880 11 868 14.42 8 322c
Mid 8,697 786,972 0.021 3.539 10 1,006 18.27 8 679
End 10,913 3,534,201 0.059 3.032 10 1,068 21.67 9 2,467
All publications 20,225 4,292,252 0.021 3.076 7 1,606 18.03 9  
  1. aNetwork measures derived from Gephi after summation of edge weights on import
  2. bOxford nodes are defined as those in which the word Oxford was found within the author’s primary affiliation
  3. cMaximum without resolving all consortia and groups in publications (start section includes a known consortium of over 1200 individuals)