| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nhs clinical trials register | 1.49 | 0.9 | 9006 | 20 | 28 |
| nhs | 1.22 | 0.2 | 5691 | 69 | 3 |
| clinical | 0.62 | 0.8 | 8494 | 59 | 8 |
| trials | 1.64 | 0.5 | 384 | 20 | 6 |
| register | 0.28 | 0.9 | 4510 | 62 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nhs clinical trials register | 1.88 | 0.1 | 5567 | 47 |
| clinical trials register uk | 0.77 | 0.1 | 2495 | 49 |
| uk clinical trial register | 1.42 | 0.7 | 6558 | 6 |
| register of clinical trials | 1.71 | 0.3 | 9377 | 17 |
| clinical trials registry uk | 0.55 | 1 | 7279 | 40 |
| clinical trials register search | 1.98 | 1 | 1996 | 81 |
| clinical trial registration uk | 0.71 | 0.1 | 5799 | 13 |
| nhs clinical trials uk | 0.76 | 0.3 | 2289 | 34 |
| registration of clinical trials | 0.52 | 0.7 | 3379 | 56 |
| registry of clinical trials | 1.85 | 0.6 | 2809 | 81 |
| clinical trials registry australia | 0.03 | 0.7 | 8213 | 24 |
| australian clinical trial register | 1.2 | 0.5 | 1078 | 80 |
| nhs clinical trials training | 0.01 | 0.4 | 7144 | 21 |
| clinical trials register eu | 0.35 | 0.1 | 3396 | 8 |
| uk clinical trial registry | 1.32 | 0.2 | 4046 | 32 |
| national clinical trials registry | 0.69 | 0.7 | 2532 | 63 |
| clinical trial for registration | 1.75 | 0.1 | 9956 | 24 |
| a clinical trial register is | 1.37 | 0.7 | 6057 | 86 |
| who clinical trials registry | 1.08 | 0.7 | 3842 | 63 |
