Table 1.
Top 10 productive countries in research of immunotherapy for brain metastasis.
| Rank | Country | Counts | Total (%) | CAF (%) | ACI | Total Citations |
|---|---|---|---|---|---|---|
| 1 | USA | 1017 | 47.0 | 15.7 | 32.32 | 32,868 |
| 2 | China | 340 | 15.7 | 16.0 | 11.20 | 3808 |
| 3 | Germany | 217 | 10.0 | 22.0 | 35.57 | 7719 |
| 4 | Italy | 209 | 9.7 | 19.3 | 26.19 | 5474 |
| 5 | France | 158 | 7.3 | 24.7 | 25.07 | 3962 |
| 6 | Canada | 110 | 5.1 | 23.4 | 38.60 | 4246 |
| 7 | Japan | 104 | 4.8 | 2.7 | 17.91 | 1863 |
| 8 | UK | 102 | 4.7 | 22.0 | 62.05 | 6329 |
| 9 | Spain | 99 | 4.6 | 30.0 | 37.70 | 3732 |
| 10 | Australia | 97 | 4.5 | 22.0 | 47.51 | 4608 |
CAF, Corresponding Author Frequency; ACI, Average Citations per Item.