Table 3 Individual centrality and network centralization of GP research from 1999–2014
Centralization | 1999 to 2003 | 2004 to 2008 | 2009 to 2014 | |
|---|---|---|---|---|
Degree | Mean ± SD | 266.00 ± 417.66 | 290.05 ± 516.42 | 300.56 ± 477.66 |
Min | 66.00 | 54.00 | 62.00 | |
Max | 2160.00 | 3239.00 | 2561.00 | |
Betweenness | Mean ± SD | 3.93 ± 3.54 | 7.54 ± 7.27 | 14.19 ± 16.86 |
Min | 0.37 | 0.87 | 0.69 | |
Max | 11.15 | 25.87 | 59.90 | |
Closeness | Mean ± SD | 33.85 ± 4.55 | 55.07 ± 7.08 | 91.38 ± 12.53 |
Min | 26.00 | 40.00 | 63.00 | |
Max | 41.00 | 65.00 | 111.00 | |
Network Centralization (%) | 19.77 | 19.09 | 13.04 | |