| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| hierarchy of evidence article | 0.49 | 0.5 | 7965 | 99 | 29 |
| hierarchy | 1.33 | 0.9 | 597 | 63 | 9 |
| of | 1.1 | 1 | 9517 | 22 | 2 |
| evidence | 1.09 | 0.8 | 9977 | 80 | 8 |
| article | 0.86 | 0.3 | 5070 | 54 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| hierarchy of evidence article | 1.31 | 0.8 | 1695 | 33 |
