| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| risk factors for emphysema | 1.8 | 0.2 | 7131 | 95 | 26 |
| risk | 1.92 | 0.7 | 3931 | 9 | 4 |
| factors | 1.28 | 0.8 | 430 | 30 | 7 |
| for | 1.46 | 0.7 | 1183 | 56 | 3 |
| emphysema | 0.13 | 0.5 | 5804 | 3 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| risk factors for emphysema | 1.87 | 0.1 | 6219 | 89 |
| risk factors for empyema | 1.18 | 0.8 | 8273 | 91 |
| the causes and risk factors of emphysema | 1.92 | 0.7 | 2487 | 59 |
| is emphysema a risk factor for pneumothorax | 0.64 | 0.8 | 8045 | 57 |
| what are risk factors for emphysema | 1.23 | 0.4 | 4938 | 88 |
| risk factors of copd emphysema | 0.38 | 0.5 | 2627 | 71 |
| who is at risk of emphysema | 1.4 | 0.1 | 5889 | 72 |
| emphysema population at risk | 1.99 | 0.5 | 936 | 59 |
| what can emphysema lead to | 1.69 | 0.2 | 1471 | 71 |
| what can cause emphysema | 0.87 | 0.4 | 8087 | 53 |
| leading cause of emphysema | 1.6 | 0.2 | 4623 | 45 |
| common causes of emphysema | 1.27 | 0.7 | 9432 | 90 |
| why is emphysema bad | 1.54 | 0.9 | 2531 | 18 |
| what makes emphysema worse | 0.31 | 0.1 | 984 | 56 |
| main cause of emphysema | 0.21 | 0.5 | 4847 | 20 |
| what causes emphysema symptoms | 0.88 | 0.7 | 1222 | 55 |
