| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| observational study design definition | 0.66 | 1 | 690 | 40 | 37 |
| observational | 1.05 | 0.9 | 396 | 12 | 13 |
| study | 1.25 | 0.2 | 7542 | 83 | 5 |
| design | 1.76 | 0.1 | 947 | 34 | 6 |
| definition | 0.68 | 0.8 | 3472 | 61 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| observational study design definition | 1.74 | 0.9 | 989 | 13 |
