Table 1.
Country-specific total number of published items in the category "cardiac and cardiovascular systems" (89604 identified articles in 131 journals analyzed)
| Country | Published items cardiac system | |
| 1 | Germany | 20612 |
| 2 | Great Britain | 17631 |
| 3 | France | 10813 |
| 4 | Italy | 10543 |
| 5 | Netherlands | 7037 |
| 6 | Spain | 3870 |
| 7 | Sweden | 3516 |
| 8 | Belgium | 3198 |
| 9 | Switzerland | 3110 |
| 10 | Denmark | 1758 |
| 11 | Austria | 1741 |
| 12 | Finland | 1721 |
| 13 | Greece | 1671 |
| 14 | Norway | 1655 |
| 15 | Poland | 1199 |
| 16 | Hungary | 747 |
| 17 | Czech Republic | 614 |
| 18 | Ireland | 353 |
| 19 | Portugal | 317 |
| 20 | Slovakia | 218 |
| 21 | Lithuania | 144 |
| 22 | Slovenia | 125 |
| 23 | Romania | 88 |
| 24 | Croatia | 87 |
| 25 | Estonia | 80 |
| 26 | Iceland | 69 |
| 27 | Bulgaria | 67 |
| 28 | Latvia | 36 |
| 29 | Luxembourg | 13 |
| 30 | Andorra | 0 |
| 31 | Liechtenstein | 0 |