| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| clinical trials register | 0.49 | 0.6 | 7600 | 66 | 24 |
| clinical | 1.27 | 0.5 | 9006 | 16 | 8 |
| trials | 1.98 | 0.1 | 1592 | 20 | 6 |
| register | 0.49 | 0.7 | 444 | 8 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| clinical trials register | 0.58 | 0.2 | 8323 | 1 |
| clinical trials register eu | 0.41 | 1 | 2214 | 51 |
| clinical trials register search | 0.58 | 0.8 | 2488 | 83 |
| clinical trials register uk | 1.78 | 1 | 7400 | 74 |
| clinical trials register usa | 1.25 | 0.5 | 5044 | 65 |
| clinical trials registry australia | 0.49 | 0.9 | 2861 | 56 |
| clinical trials register europe | 0.06 | 0.9 | 6675 | 21 |
| clinical trials registry | 0.04 | 0.9 | 2576 | 60 |
| german clinical trials register | 1.98 | 1 | 2494 | 29 |
| european union clinical trials register | 0.2 | 0.9 | 1655 | 20 |
| eudract clinical trials register | 1.64 | 0.2 | 9113 | 16 |
| registered clinical trials | 1.73 | 0.6 | 7629 | 89 |
| gsk clinical trials register | 1 | 0.2 | 3528 | 97 |
