| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what is a retrospective longitudinal study | 1.87 | 0.3 | 2095 | 13 | 42 |
| what | 0.44 | 1 | 5782 | 25 | 4 |
| is | 1.29 | 0.8 | 7602 | 87 | 2 |
| a | 1.36 | 0.2 | 7094 | 77 | 1 |
| retrospective | 0.45 | 0.9 | 5989 | 99 | 13 |
| longitudinal | 1.87 | 0.5 | 7567 | 61 | 12 |
| study | 0.71 | 0.2 | 9460 | 18 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what is a retrospective longitudinal study | 0.41 | 0.3 | 4479 | 15 |
