| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| prospective case control study | 1.32 | 0.7 | 8116 | 1 | 30 |
| prospective | 1.42 | 0.2 | 8003 | 81 | 11 |
| case | 1.17 | 0.8 | 3478 | 10 | 4 |
| control | 0.22 | 0.9 | 4509 | 87 | 7 |
| study | 1.54 | 0.1 | 129 | 7 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| prospective case control study | 0.04 | 0.2 | 6711 | 16 |
