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

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

Publication period	Measures of co-authorship networks^a					Oxford nodes^b	Authors per DOI
Publication period	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	322^c
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

^aNetwork measures derived from Gephi after summation of edge weights on import
^bOxford nodes are defined as those in which the word Oxford was found within the author’s primary affiliation
^cMaximum without resolving all consortia and groups in publications (start section includes a known consortium of over 1200 individuals)

ISSN: 1479-5876