| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| gold spirometric criteria for copd severity | 1.31 | 0.4 | 3049 | 38 | 43 |
| gold | 0.33 | 0.3 | 6859 | 1 | 4 |
| spirometric | 1.11 | 1 | 5929 | 9 | 11 |
| criteria | 0.41 | 0.2 | 7701 | 16 | 8 |
| for | 2 | 0.6 | 7577 | 34 | 3 |
| copd | 1.1 | 0.9 | 3153 | 100 | 4 |
| severity | 1.68 | 0.4 | 6849 | 49 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| gold spirometric criteria for copd severity | 0.39 | 0.8 | 4763 | 91 |
