Table 4.
Co-country collaboration network map in spinal surgery
| Rank | Country | Publications | Percent | Degree | Burst | Half-life |
| 1 | United States | 263 | 37.8 | 15 | 5.11 | 16.5 |
| 2 | China | 71 | 10.2 | 5 | - | 8.5 |
| 3 | Germany | 59 | 8.5 | 9 | 4.18 | 13.5 |
| 4 | South Korea | 36 | 5.2 | 1 | - | 5.5 |
| 5 | Sweden | 35 | 5 | 10 | 4.71 | 14.5 |
| 6 | England | 27 | 3.9 | 12 | 5.72 | 7.5 |
| 7 | Netherlands | 23 | 3.3 | 4 | - | 8.5 |
| 8 | Canada | 20 | 2.9 | 5 | - | 5.5 |
| 9 | Japan | 15 | 2.2 | 0 | - | 2.5 |
| 10 | Denmark | 13 | 1.9 | 7 | - | 9.5 |