| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| etco2 and paco2 difference | 0.01 | 0.4 | 7401 | 66 | 26 |
| etco2 | 0.79 | 0.9 | 4163 | 50 | 5 |
| and | 1.94 | 0.5 | 1771 | 32 | 3 |
| paco2 | 0.19 | 1 | 3304 | 29 | 5 |
| difference | 0.26 | 0.5 | 3136 | 46 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| etco2 and paco2 difference | 1.55 | 0.4 | 7644 | 70 |
