| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| why does congestive heart failure chf occur | 1.16 | 0.2 | 933 | 14 | 43 |
| why | 1.38 | 0.7 | 7357 | 35 | 3 |
| does | 0.03 | 0.7 | 4135 | 34 | 4 |
| congestive | 1.16 | 0.6 | 1885 | 57 | 10 |
| heart | 1.25 | 0.5 | 6765 | 21 | 5 |
| failure | 1.65 | 0.2 | 1230 | 18 | 7 |
| chf | 0.15 | 0.2 | 437 | 2 | 3 |
| occur | 1.66 | 0.6 | 9168 | 47 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why does congestive heart failure chf occur | 1.98 | 1 | 4446 | 73 |
