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Top 10 influent countries of the psycho-cardiological disease and relevant literature.
| Rank | Country | Frequency | Burst | BC |
| 1 | United States | 1,813 | - | 0.37 |
| 2 | England | 584 | - | 0.12 |
| 3 | Australia | 390 | - | 0.12 |
| 4 | Germany | 338 | - | 0.14 |
| 5 | Italy | 278 | - | 0.32 |
| 6 | Netherlands | 265 | - | 0.13 |
| 7 | Canada | 247 | - | 0.32 |
| 8 | People’s Republic of China | 213 | - | 0.36 |
| 9 | Switzerland | 206 | 5.13 | 0.14 |
| 10 | Sweden | 176 | 3.32 | 0.09 |
