| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| anesthesia and analgesia research letter | 1.58 | 0.2 | 5358 | 24 | 40 |
| anesthesia | 0.22 | 0.1 | 5254 | 59 | 10 |
| and | 0.07 | 0.2 | 4228 | 58 | 3 |
| analgesia | 1.24 | 0.3 | 9421 | 39 | 9 |
| research | 1.51 | 0.2 | 2993 | 39 | 8 |
| letter | 0.15 | 0.7 | 6236 | 33 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| anesthesia and analgesia research letter | 1 | 0.9 | 8377 | 65 |
