| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| emphysema most common age | 1.52 | 0.5 | 5168 | 18 | 25 |
| emphysema | 0.42 | 0.4 | 9334 | 34 | 9 |
| most | 1.88 | 0.6 | 8663 | 46 | 4 |
| common | 0.97 | 0.8 | 8868 | 73 | 6 |
| age | 1.46 | 0.3 | 8121 | 43 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| emphysema most common age | 0.22 | 0.7 | 5115 | 46 |
