| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| tracheostomy speaking valve | 0.73 | 0.6 | 788 | 40 | 27 |
| tracheostomy | 0.8 | 0.2 | 7873 | 45 | 12 |
| speaking | 1.51 | 0.5 | 317 | 50 | 8 |
| valve | 1.53 | 0.1 | 6121 | 98 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| tracheostomy speaking valve | 0.96 | 0.8 | 9547 | 82 |
