| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nct clinical trial registry | 0.2 | 0.6 | 6768 | 14 | 27 |
| nct | 1.91 | 0.5 | 1790 | 20 | 3 |
| clinical | 1.06 | 0.2 | 7166 | 70 | 8 |
| trial | 0.59 | 0.9 | 2334 | 57 | 5 |
| registry | 0.42 | 0.5 | 1552 | 45 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nct clinical trial registry | 0.94 | 0.6 | 9069 | 76 |
| clinical trial nct number | 1.99 | 1 | 6126 | 85 |
| search clinical trial by nct | 0.46 | 0.3 | 7498 | 8 |
| nct # clinical trials | 0.17 | 0.3 | 3462 | 81 |
| nct number clinical trials | 0.45 | 0.5 | 8416 | 27 |
| www.clinicaltrials.gov nct | 1 | 0.5 | 5725 | 54 |
| new zealand clinical trials registry | 0.74 | 0.5 | 2383 | 56 |
| national clinical trials registry | 1.91 | 1 | 4245 | 14 |
| australia new zealand clinical trial registry | 0.74 | 0.6 | 1489 | 30 |
| uk clinical trial registry | 1.63 | 0.6 | 6047 | 10 |
| registry of clinical trials | 0.66 | 0.2 | 8175 | 18 |
| clinical trial registry number | 0.31 | 0.9 | 2570 | 56 |
| clinical trial registry australia | 0.05 | 0.7 | 3937 | 73 |
| australian nz clinical trials registry | 1.1 | 0.8 | 1738 | 79 |
| clinical trials registry uk | 1.41 | 0.8 | 6632 | 22 |
| clinical trial government nct05526521 | 1.31 | 0.8 | 2999 | 64 |
| central registry of clinical trials | 0.17 | 0.1 | 3884 | 82 |
| nhs clinical trials register | 0.6 | 0.9 | 231 | 35 |
