| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| obstructive sleep apnea etiology nih | 1.56 | 0.4 | 4208 | 24 | 36 |
| obstructive | 0.52 | 0.1 | 7995 | 99 | 11 |
| sleep | 0.57 | 0.8 | 8699 | 29 | 5 |
| apnea | 0.67 | 0.9 | 129 | 44 | 5 |
| etiology | 0.9 | 0.5 | 4056 | 80 | 8 |
| nih | 0.62 | 0.8 | 1032 | 4 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| obstructive sleep apnea etiology nih | 0.08 | 0.4 | 5182 | 4 |
| obstructive sleep apnea etiology ncbi | 1.24 | 0.4 | 7367 | 23 |
| sleep apnea and obstructive sleep apnea | 0.97 | 0.6 | 9122 | 27 |
| obstructive sleep apnea pathophysiology | 0.94 | 1 | 7806 | 8 |
| pathology of obstructive sleep apnea | 1.16 | 0.2 | 1907 | 96 |
| obstructive sleep apnea article | 0.12 | 0.4 | 5937 | 62 |
| obstructive sleep apnea pdf | 1.94 | 0.8 | 7829 | 34 |
| and obstructive sleep apnea | 0.38 | 0.7 | 9099 | 97 |
| obstructive sleep apnea overview | 0.99 | 0.4 | 3171 | 54 |
| obstructive sleep apnea ncbi | 0.4 | 0.7 | 926 | 79 |
| obstructive and central sleep apnea | 0.99 | 0.1 | 7030 | 82 |
| obstructive sleep apnea pubmed | 0.77 | 1 | 4781 | 21 |
| significant obstructive sleep apnea | 0.96 | 0.8 | 4195 | 2 |
| obstructive sleep apnea scholarly articles | 1.25 | 0.5 | 7628 | 6 |
| obstructive sleep apnea disorder | 1.19 | 0.3 | 5011 | 65 |
