Table 4.
The top 10 ranking of the most productive countries that published the largest number of articles in the field of electronic cigarette from the world
| SCRa | Country | Number of documents (%) | h-index |
|---|---|---|---|
| 1st |
United States of America |
120 (33.7) |
22 |
| 2nd |
United Kingdom |
41 (11.5) |
12 |
| 3rd |
Italy |
29 (8.1) |
9 |
| 4th |
Greece |
14 (3.9) |
6 |
| 5th |
New Zealand |
12 (3.4) |
6 |
| 5th |
Switzerland |
12 (3.4) |
6 |
| 7th |
Australia |
8 (2.2) |
4 |
| 7th |
Canada |
8 (2.2) |
3 |
| 7th |
Germany |
8 (2.2) |
1 |
| 10th |
South Korea |
7 (2.0) |
4 |
| 10th |
Poland |
7 (2.0) |
4 |
| 10th | France | 7(2.0) | 1 |
Abbreviation: SCR Standard Competition Ranking.
aEqual countries have the same ranking number, and then a gap is left in the ranking numbers.