| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| low ventilation perfusion ratio | 0.84 | 0.8 | 2175 | 47 | 31 |
| low | 1.2 | 0.9 | 7024 | 41 | 3 |
| ventilation | 0.48 | 0.6 | 236 | 40 | 11 |
| perfusion | 1.98 | 0.5 | 4893 | 66 | 9 |
| ratio | 0.4 | 0.9 | 7718 | 35 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| low ventilation perfusion ratio | 1.83 | 0.6 | 8929 | 14 |
