Table 2 Top 10 countries in tramadol research
From: Worldwide research productivity on tramadol: a bibliometric analysis
SCRa | Country | Articles (%) | Total citation | H-index | Average citation | Median (Q1–Q3) of citation | Collaborations with foreign countries | Number (%)a of documents with international authors | Adjustment index |
|---|---|---|---|---|---|---|---|---|---|
1st | United States | 259 (12.58) | 9273 | 53 | 19 (9–46) | 38.44 | 26 | 61 (23.55) | 4.74 |
2nd | Turkey | 232 (11.27) | 2067 | 24 | 3 (1–13) | 8.91 | 4 | 8 (3.45) | 22.00 |
3rd | India | 189 (8.09) | 1019 | 16 | 2 (0–6) | 5.39 | 5 | 8 (4.23) | 115.85 |
4th | Germany | 176 (8.56) | 5533 | 40 | 17 (6–37) | 31.44 | 17 | 36 (20.45) | 3.69 |
5th | China | 134 (6.51) | 835 | 16 | 2 (0–7.25) | 6.23 | 4 | 10 (7.64) | 17.64 |
6th | Iran | 101 (4.90) | 1094 | 18 | 5 (2–11.5) | 10.83 | 4 | 8 (7.92) | 19.08 |
7th | Italy | 99 (4.81) | 1609 | 22 | 6 (1–11) | 7.01 | 15 | 24 (24.24) | 2.83 |
8th | Spain | 80 (3.89) | 1112 | 22 | 8.5 (1–24) | 13.90 | 14 | 29 (36.25) | 2.64 |
9th | United Kingdom | 64 (3.11) | 2238 | 26 | 19.5 (6.25–41.5) | 34.97 | 15 | 24 (37.50) | 1.40 |
10th | France | 50 (2.43) | 952 | 16 | 9 (2–20.25) | 19.04 | 13 | 20 (40.00) | 1.17 |